10 Most Common English Idioms & Phrases

What is an Idiom? An idiom is a phrase or an expression that has a different meaning from the literal meaning. If you don’t understand common idioms and phrases in English, it’s almost impossible to understand the context. Here are some most common English idioms that everyone should know:

List of common English idioms and phrases:

1. Hit the books
2. By the skin of your teeth
3. On the ball
4. A needle in a haystack
5. Sleep on it
6. To sit tight
7. Up in the air
8. A piece of cake
9. Twist someone’s arm
10. Break a leg

10 Most Common English Idioms & Phrases

10 most common English idioms
10 English Idioms & Phrases

1. Hit the books 

Meaning - to study

Example - I have to hit the books this weekend — I have two exams next week.

2. By the skin of your teeth 

Meaning - If you do something by the skin of your teeth, you only just succeed in doing it.

Example - She escaped from the secret police by the skin of his teeth.

3. On the ball 

Meaning - If someone is on the ball, they are very alert and aware of what is happening.

Example - We need someone who’s really on the ball to answer questions from the press.

4. A needle in a haystack 

Meaning - something that is impossible or extremely difficult to find, especially because the area you have to search is too large

Example - Police have told Mr. Bob that searching for the cat will be like looking for a needle in a haystack. The chances of recovering the animal are slim.


Keep reading: Moon Idioms

5. Sleep on it 

Meaning - to think more about something overnight and make a decision about it later

Example - You've heard my offer. Why don't you sleep on it and let me know what you decide.

6. To sit tight 

Meaning - If you sit tight, you remain in the same place or situation and do not take any action, usually because you are waiting for something to happen.

Example - Sit tight. I'll be right back.

7. Up in the air 

Meaning - If a matter is up in the air, it is uncertain, often because other matters have to be decided first.

Example - The whole future of the project is still up in the air.


Small quiz for you: Idiom Quiz #2

8. A piece of cake 

Meaning - something that is very easy to do

Example - The exam was a piece of cake.

Idiom - A piece of cake

9. Twist someone’s arm

Meaning - to try to force someone to do something

Example - I didn’t want to go to the exhibition, but Mani twisted my arm.

10. Break a leg 

Meaning - used to wish somebody good luck, especially to an actor before they go on stage

Example - Break a leg! I shouted out to him before he rushed in for his auditions.


Which one do you use often? 😉 Comment below!
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2 Comments
  • Betiana
    Betiana March 10, 2022 at 5:11 AM

    Thank you! Very useful! :)

    • English with Dev
      English with Dev November 2, 2024 at 10:00 AM

      Thank you!

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