1. not bat an eye. 눈 하나 깜짝하지 않는다; to not show any surprise or shock.
bat : 눈을 깜박이다.(방언)
I gave my boss the expenses, and she didn't bat an eye.
2. across the board 전면적으로 전역에 걸쳐; something that applies to everyone.
My boss cut overtime pay across the board.
3. live wire 활동성이 강한 사람; a person who is very active both mentally and physically.
She has turned you into a live wire.
4. everybody and their dog. 많은 사람들; a lot of people.
I think the bride invited everybody and their dog.
5. push one's button. 누군가를 화나게 하다; to upset or annoy someone.
I have a co-worker who really pushes my button.