1. a worm’s eye view
Many have heard the expression a bird’s eye view, but have you ever heard of a worm’s eye view? If you have a worm’s eye view of something, you only understand or know a little bit about it - and, unfortunately, it is usually the worst or least important part!
Example: What does he know about prepositions? He only has a worm’s eye view of English grammar!
2. a party pooper
A party pooper is someone who (always) ruins the fun.
Example: Frieda said that she can’t come to our ❛80’s Rock Star❜ party. She has to stay home and wash her hair - what a party pooper!
3. everyone and his brother
The English expression everyone and his brother refers to a very large number of people.
Example: Everyone and his brother was at the stamp collectors’ convention last weekend. I had never seen so many people in my life!
4. The world is your oyster.
If the world is your oyster, you have the ability to do anything you want or set you mind to do.
Example: The young people of today have so many advantages. The world is their oyster.
5. The worm has turned.
Here is another worm idiom. The English idiom the worm has turned is used to say that someone who was always weak and did what he was told has now become strong and confident.
Example: It looks like Rinaldo isn’t listening to you anymore. The worm has turned.
6. to knock your socks off
When someone or something knocks your socks off, he, she or it amazes or impresses you.
Example: Abrar’s version of the Canadian national anthem really knocked our socks off!
7. top banana
Similar to head honcho, big cheese or big enchilada, the term top banana refers to the leader of a group or organization.
和head honcho（大腕）、big cheese（大人物）和big enchilada（大亨）类似，这个词组的意思是一个团体或组织的领导。
Example: Our principal, Mr. Williams, is the top banana at our school.
8. the lights are on, but nobody's home
Used when describing a personstruggles to fit into normal society, and subsequently rejected and described to people as a bit slow.
Example: Don't ask Dudley if he knows it, because… well, you know, the lights are on but nobody is home.
9. when pigs fly
The phrase "when pigs fly" is a response equal to "it will never happen", or "I will never do it".
Example: The things you want to create is can only be complete when pigs fly.
10. to have Van Gogh's ear for music
If you have Van Gogh's ear for music, you are a tone deaf.
Example: He has Van Gogh’s ear for music and sings like a rusty hinge.
11. to pig out
This idiom means eating too much of something; to make a pig of oneself.
Example: Don't you girls pig out on too much candy!
12. everything but the kitchen sink
Almost everything, whether needed or not.
Example: She must have brought everything but the kitchen sink along on the trip, and how she lifted her suitcase, I do not know.