Top 20 idiomatic expressions

An idiom is a combination of words which has a separate meaning from its literal meaning.

Top 20 idiomatic expressions that are very common in everyday usage are:

1. Once in a blue moon:  When something happens very rarely
2. Sick as a dog: To be very sick
3. Add insult to injury: To make a bad situation even worse
4. Speak of the devil: Used when the person you have just been talking about arrives at the scene
5. See eye to eye: Used to say that two (or more people) agree on something
6. A hot potato: Used to speak of a current affairs issue which many people are talking about
7. Down in the dumps: To be sad or depressed
8. Kill two birds with one stone: To do two things at the same time
9. Till the cows come home: For a very long time
10. Miss the boat: Used to say that someone missed his or her chance at something
11. Raining cats and dogs: To rain very hard
12. To hear something straight from the horse's mouth: To hear something from the authoritative source
13. A piece of cake: Used to refer to something that seems very easy to do
14. Pulling your leg: To tease someone or to joke about them
15. The last straw: Used to refer to the final problem in a series of problems
16. Something sounding Greek to someone: Used to mean that something is not understandable to someone.
17. Take something with a pinch of salt: Not to take what someone says too seriously as there is a big possibility that what he/she says is only partly true
18. Keep your chin up: Be happy
19. The best of both worlds: To have all the advantages
20. When pigs fly: It means ‘never’