Sometimes, luck arrives quietly. You find a job when you almost give up, meet the right person at the right time, or discover that the last ticket in the box has your name on it.
English has many colorful ways to describe these lucky moments. That is where idioms about good luck come in.
An idiom is a phrase whose meaning is different from the literal meaning of its individual words.
For example, if someone tells you to “break a leg,” they are not asking you to hurt yourself. They are actually wishing you good luck.
Learning good-luck idioms can make your English sound more natural and expressive. They are useful in conversations, movies, books, social media, and even the workplace.
Imagine your friend has an important job interview tomorrow. Instead of simply saying, “Good luck,” you could smile and say, “Knock ’em dead!” Suddenly, your encouragement sounds more lively and native-like.
In this guide, you will discover 40+ idioms and expressions about good luck, along with examples, cultural tips, common mistakes, and practice activities.
🍀 Fun Fact: Why Do We Say “Break a Leg”?

One of the most famous good-luck expressions is “break a leg.”
It is especially common among actors and performers. Saying “good luck” directly before a performance has traditionally been considered unlucky in theater culture, so performers developed alternative expressions.
Today, you may hear:
“Your audition is today? Break a leg!”
The speaker is actually saying, “I hope you do really well!”
40+ Idioms and Expressions About Good Luck
1. Break a Leg
Meaning: Good luck, especially before a performance or important event.
Example:
“You’re going on stage in five minutes. Break a leg!”
Best for: Theater, performances, auditions, presentations.
Important: Do not use it when someone is actually injured!
2. Knock ’Em Dead
This dramatic expression means to impress people greatly or perform extremely well.
“You have your presentation today? Go knock ’em dead!”
It is informal and friendly. Despite the violent-sounding words, the expression is positive.
3. Best of Luck
This is a simple and natural way to wish someone success.
Example:
“Best of luck with your driving test tomorrow.”
It works in many situations and is safer than highly informal idioms.
4. Fingers Crossed 🤞
When you say “fingers crossed,” you are expressing hope that something will have a positive result.
Dialogue:
Ali: “I applied for my dream job.”
Sara: “Fingers crossed! I hope you get it.”
You may also physically cross your fingers.
5. Touch Wood
Touch wood is used when you hope that good fortune continues and nothing bad happens.
Example:
“I haven’t been late for work all month—touch wood!”
In American English, “knock on wood” is more common.
6. Knock on Wood
This is the American equivalent of “touch wood.”
“My car has never broken down. Knock on wood.”
The speaker is trying to avoid tempting fate.
7. Wish You Luck
Sometimes simple English is the best English.
Example:
“I wish you luck in your new job.”
It sounds warm, polite, and natural.
8. Wishing You All the Best
This expression is especially useful in cards, emails, messages, and professional communication.
Example:
“Wishing you all the best in your new position.”
It is more formal than “Good luck!”
9. Good Things Come to Those Who Wait
This saying means that patience can eventually bring a positive result.
Example:
“She waited months for the promotion, but good things come to those who wait.”
It is useful when encouraging someone not to give up.
10. Third Time’s the Charm
This means that a third attempt may finally succeed.
“My first two applications were rejected, but third time’s the charm!”
It can be used seriously or humorously.
11. The More, the Merrier
This phrase is often used when more people joining an activity makes it more enjoyable.
Example:
“Can I bring my cousins to the picnic?”
“Of course! The more, the merrier.”
It expresses a positive attitude toward extra company.
12. Lucky Break
A lucky break is an unexpected opportunity or piece of good fortune.
Example:
“Getting that internship was a lucky break.”
Workplace use
This expression is common when talking about careers:
“Landing that client was a real lucky break for the company.”
13. Strike It Lucky
To strike it lucky means to suddenly experience good fortune.
Example:
“He struck it lucky when he found a rare book at the market.”
This expression is more common in British English.
14. Strike Gold
Originally connected with finding actual gold, strike gold now means to discover something highly successful or valuable.
Example:
“The company struck gold with its new language-learning app.”
It is often used in business, entertainment, and everyday conversation.
15. Hit the Jackpot 🎰
To hit the jackpot means to have an extremely successful or fortunate result.
It does not always involve gambling.
Example:
“She hit the jackpot when she found an affordable apartment near her office.”
Intensity:
Lucky → very lucky → extremely lucky
16. Born Under a Lucky Star
Someone who is born under a lucky star seems to have unusually good fortune.
Example:
“He always gets amazing opportunities. He must have been born under a lucky star!”
This is often playful rather than literal.
17. Have Lady Luck on Your Side
Lady Luck is a personification of luck.
Example:
“Lady Luck was on our side during the competition.”
You can use this expression when circumstances seem to keep going your way.
18. Fortune Smiles on Someone
If fortune smiles on someone, that person is experiencing good luck.
Example:
“Fortune smiled on her when she received two job offers.”
This expression sounds more literary than casual.
19. Be in Luck
If you are in luck, something you want is available or possible.
Example:
“I need a table for four.”
“You’re in luck. We just had a cancellation.”
This is very useful in everyday conversations.
20. Lucky You!
“Lucky you!” is a short, common way to say that someone has benefited from good fortune.
Example:
“You’re getting Friday off?”
“Lucky you!”
Depending on your tone, it can be sincere or slightly teasing.
🌟 More Colorful Idioms for Good Fortune
| Expression | Meaning | Typical Context |
|---|---|---|
| Fortune favors the bold | Brave action can bring success | Advice |
| A stroke of luck | An unexpected lucky event | Daily life |
| A twist of fate | An unexpected change caused by circumstances | Stories |
| As luck would have it | Fortunately or unfortunately, depending on context | Storytelling |
| As luck has it | By chance or fortune | Conversation |
| By a stroke of luck | Through unexpected good fortune | Daily life |
| Against all odds | Despite difficult circumstances | Success stories |
| Against the odds | Succeeding despite low chances | Sports/work |
| Get a lucky break | Receive an unexpected opportunity | Career |
| Have a run of luck | Experience repeated good fortune | Gambling/sports/general |
| On a roll | Experiencing repeated success | Games/work |
| On the right track | Moving toward a successful result | Work/study |
| Go your way | Develop in your favor | Competition/life |
| Work in your favor | Help produce a positive result | Professional |
| Fall into your lap | Receive something without much effort | Opportunities |
| Come up roses | End successfully or positively | Informal |
| Come up trumps | Produce a successful result | British English |
| Land on your feet | Recover successfully from difficulty | Life/work |
| Get the breaks | Receive favorable opportunities | Informal |
| Catch a break | Finally receive some helpful luck | Informal |
😊 Good-Luck Idioms by Intensity
Not every lucky situation feels the same. Compare these expressions:
| Level | Expression | Feeling |
|---|---|---|
| 🌱 Mild | Lucky you | Small advantage |
| 🌱 Mild | Be in luck | Something useful happens |
| 🙂 Positive | A stroke of luck | Unexpected good fortune |
| 🙂 Positive | Lucky break | Helpful opportunity |
| 😄 Strong | Strike gold | Major success |
| 😄 Strong | Hit the jackpot | Exceptional luck |
| 🚀 Very strong | Born under a lucky star | Constant good fortune |
| 🚀 Very strong | Lady Luck is on your side | Luck repeatedly favors you |
This makes it easier to choose an expression that matches the situation.
🗣️ Idioms Native Speakers Use in Real Life
Native speakers do not use every idiom equally. Some expressions are much more natural in casual conversation.
At an exam
“I’ve studied all week. Fingers crossed!”
Before an interview
“Good luck with the interview!”
Before a performance
“Break a leg!”
After unexpected success
“Wow, that was a lucky break.”
When everything goes well
“Things are finally going my way.”
When someone gets something desirable
“Lucky you!”
The key is context. An idiom is useful only when it fits the situation.
💼 Good-Luck Idioms in the Workplace

Idioms can make workplace English warmer and more conversational, but choose them carefully.
Suitable examples:
- Best of luck with the project.
- I hope everything goes your way.
- That was a lucky break.
- The new contract fell into our laps.
- We struck gold with this idea.
- Things are working in our favor.
- Let’s keep our fingers crossed.
- I hope the presentation goes well.
A quick dialogue
Manager: “The client is reviewing our proposal today.”
Employee: “Fingers crossed.”
Manager: “Exactly. If they approve it, it could be a lucky break for the whole team.”
This sounds natural in an informal workplace conversation.
For a formal email, however, “I wish you every success” may be more suitable than “Break a leg!”
📚 Idioms for Good Luck in Literature and Storytelling
Writers often use luck-related expressions to make stories more vivid.
Consider:
“As luck would have it, the old man arrived just in time.”
This creates a feeling that chance has changed the story.
Another useful phrase is:
“A twist of fate.”
Example:
“A strange twist of fate brought the two old friends together after twenty years.”
Literary expressions such as “fortune smiled on him” can give writing a dramatic or classic tone.
😂 Funny Good-Luck Expressions and Creative Twists
English speakers sometimes play with luck-related expressions.
Imagine your friend has failed the same test twice:
“Third time’s the charm. You’ve got this!”
Or your friend gets the best seat on the train:
“Wow, lucky you!”
Someone gets a great apartment by chance:
“You really hit the jackpot!”
A friend gets an unexpected free meal:
“Lady Luck is definitely on your side today.”
These expressions can add humor without making the conversation complicated.
🌍 Mini Cultural Note: Luck Is Not Universal
Ideas about luck differ across cultures.
For example, crossed fingers are widely associated with hoping for a good outcome in English-speaking cultures. Touch wood is especially common in British English, while knock on wood is more common in American English.
The number 13 is also associated with bad luck in many Western contexts, while other numbers may have positive or negative meanings in different cultures.
The lesson for English learners is simple:
An idiom may carry cultural meaning as well as dictionary meaning.
Understanding the culture behind an expression can help you use it naturally.
⚠️ Common Mistakes Learners Make
1. Using “Break a Leg” Literally
❌ “My brother broke a leg, so I said, ‘Break a leg!’”
That would sound terrible in context.
✅ Use it when wishing someone success before a performance or event.
2. Using Informal Idioms in Formal Emails
❌ “Break a leg in tomorrow’s board meeting!”
It may sound too casual.
✅ “I wish you every success in tomorrow’s meeting.”
3. Confusing “Lucky Break” With “Lucky Chance”
“Lucky break” is a natural English expression.
❌ “I got a lucky chance when I found the job.”
✅ “I got a lucky break when I found the job.”
4. Thinking Every Idiom Means Literal Luck
“Things are going my way” does not necessarily mean someone won a lottery.
It simply means circumstances are becoming favorable.
5. Overusing Idioms
Using ten idioms in one conversation will not automatically make your English better.
Natural speakers usually mix idioms with ordinary language.
Clear English first. Colorful English second.
📝 How to Use Good-Luck Idioms in Daily Life
In Speaking
Use short expressions such as:
- “Fingers crossed!”
- “Lucky you!”
- “Best of luck!”
- “Break a leg!”
- “Things are going your way.”
They work well in casual conversations.
In Writing
For friendly writing, try:
“Fingers crossed that everything works out!”
For professional writing:
“Wishing you every success in your new role.”
For storytelling:
“As luck would have it, I found exactly what I needed.”
For IELTS and English Exams
Idioms can make your speaking and writing more natural, but do not force them into every answer.
For example, instead of saying:
“I hit the jackpot when I got my university admission.”
You could naturally say:
“I was incredibly fortunate to receive a place at my first-choice university.”
Use idioms only when you understand their meaning, tone, and context.
🎯 Practice: Choose the Right Idiom
Complete each sentence with the best expression.
1. You are about to perform on stage. Your friend says:
“________!”
2. Your friend gets a free upgrade to first class. You say:
“________!”
3. You have failed twice but are trying again.
“________!”
4. Your company receives an unexpected major contract.
“It was a real ________.”
5. You hope your exam results will be good.
“________!”
Answers
- Break a leg
- Lucky you
- Third time’s the charm
- lucky break / stroke of luck
- Fingers crossed
💡 Complete These Sentences Yourself
Try creating your own examples:
- I was in luck when __________________.
- It was a stroke of luck that __________________.
- Fingers crossed that __________________.
- I hit the jackpot when __________________.
- A lucky break helped me __________________.
Writing your own sentences helps move idioms from passive vocabulary into active vocabulary.
FAQs
What is the most common idiom for wishing someone good luck?
“Break a leg” is one of the best-known expressions, especially in theater and performance settings. For everyday situations, “Good luck” and “Best of luck” are more universal.
Are good-luck idioms suitable for IELTS?
Yes, but use them naturally. In IELTS Speaking, an appropriate idiom can show flexible vocabulary. However, memorizing and forcing unusual idioms into your answers can make your speech sound unnatural.
Are these idioms formal or informal?
It depends on the expression. “Wishing you every success” is suitable for formal communication, while “Lucky you!” and “Knock ’em dead!” are much more informal.
Can I use these idioms with people from different cultures?
Yes, but remember that idioms are culture-specific. Some expressions may not be immediately understood by every English speaker. If clarity matters, use the idiom and then explain the idea in simple English.
How can I remember good-luck idioms easily?
Learn them in situations, not as isolated vocabulary. Associate “break a leg” with a performance, “fingers crossed” with hoping for a result, and “lucky break” with an unexpected opportunity. Then create your own sentences.
Conclusion
Good-luck idioms give English more personality. Instead of always saying “Good luck,” you can say “Fingers crossed,” “Break a leg,” “Lucky you,” “Strike gold,” or “Things are going your way.”
Each expression adds a slightly different feeling and works best in a particular context. The goal is not to memorize every idiom at once.
Start with five or six that match situations you often experience. Use them in conversations, messages, and short writing exercises.
With practice, these expressions will begin to feel natural—and your English will sound more confident, flexible, and lively.
Keep learning, keep practicing, and may Lady Luck be on your side! 🍀

Thomas Reed is an experienced English teacher helping students learn with simple, clear lessons.
He focuses on improving speaking, grammar, and confidence through easy daily practice.




