An Idiom is a group of words in a fixed order that have a particular meaning that is different from the meanings of each word on its own. These are the Most Useful idioms in English
1.Beat around the bush: It is used when you avoid the main topic.
2.Cry over spilt milk: It is used when you complain about a loss from the past.
3.Take with a grain of salt: It is used when you don’t take what someone says too seriously.
4. Cut Corners: It is used when you do something bad to save money
5. Devil’s Advocate: It is used when you present a counter argument
6. The Best of Both Worlds: It is used when you can enjoy two different opportunities at the same time.
7. Speak of the devil: It is used when you are speaking about somebody and that person turns up at the moment.
8. Once in a blue moon: It is used when an event doesn’t happen too often
9. When Pigs fly: It is used when something will never happen.
10. To cost an arm and a leg: It is used when something is very expensive
11. A piece of Cake: It is used when something is really easy.
12. To feel under the weather: It is used when you don’t feel well.
13. Break a leg: It is used when you wanna wish somebody luck.
14. Cut somebody some slack: When you want somebody not to be so critical of another person.
15. Get out of hand: When something goes out of control.
16. Hang it there: Something you say when you don’t want somebody to give u
17. It is not Rocket Science: Something you say to mean that a topic is not complicated.
18. Make a long story short: When you wanna tell a story briefly.
19. Miss the Boat: It is used when it is too late to take an opportunity
20. No Pain, No Gain: it means that you have to work hard for what you want
21. That’s the last straw: When something runs out your patience.
22. A Blessing In Disguise: Something good that isn’t recognized at first.
23. Add Fuel To The Fire: When somebody’s words make the situation worse
24. To be in the same Boat: To be in the same unpleasant situation as other people.
25. Back To The Drawing Board: Back to the beginning of a process to start it again, because it is not working
26. Barking Up The Wrong Tree: Trying to do something in a way that will not work
27. Bite your Own Tongue: To stop yourself from saying something that you would really like to say.
28. Cute to the Chase: To talk about or deal with the important parts of a subject and not waste time with things that are not important.
29. Drop Like Flies: If people are dropping like flies, they are dying or falling down in large numbers
30. Excuse My French: Said when you are pretending to be sorry for using a word that may be considered offensive.
31. Flip The Bird: To raise your middle finger at someone
32. From Rags to Riches: Used to describe what happens to a person who was poor but becomes rich.
33. Go For Broke: To gamble everything you have.
34. Hit The Books: To study, especially for a test or exam.
35. Hit The Sack: Go to bed or go to sleep
36. Hold Your Horses: Be patient.
37. In The Heat Of The Moment: Overwhelmed by what is happening in the moment.
38. It takes two to Tango: Any activity needs two people who are willing to take part for it to happen
39. Kick the Bucket: To die
40. Knock on Wood: It is said in order to avoid bad luck
41. Loose Cannon: Someone who is unpredictable and can cause damage if not kept in check.
42. Make No Bones About: To state a fact so there are no doubts or objections.
43 . Off The Hook: No longer have to deal with a tough situation.
44. Off the Record: Something said in confidence that the one speaking doesn’t want attributed to him/her.
45. On the Same Page: To understand and agree with what is being done or suggested
46. On The Fence: When you are undecided
47. Out Of The Blue: Something that suddenly and unexpectedly occurs.
48. Raining Cats and Dogs: A very loud and noisy rain storm.
49. Scapegoat: Someone else who takes the blame.
50. Smell A Rat: To believe that something dishonest, illegal, or wrong has happened
51. Start From Scratch: From the beginning again, not using all the work that you have done before
52. Tie the knot: To get married
53. Rise and Shine: Said to tell someone to wakeup and get out of bed
54. Let the cat out of the bag: It means to disclose a secret that was supposed to be kept secret.
55. You can’t judge a book by its cover: it means that you don’t have to make decisions based on appearances.
56. To stab someone in the back: It means to hurt someone who was close to us and trusted us
57. Up in the Air: It means that something is uncertain and unsure
58. To Lose your Touch: When you lose your ability or talent
59. Ring a Bell: It means that somebody has mentioned something that sounds familiar to you
60. To Be on the Ball: To be very prepared for something or react quickly (and correctly) to a situation.
If you need to verify the meaning of a word, consider using the Cambridge Online Dictionary