1. A hot potato - Speak of an issue (mostly current) which many people are talking about and which is usually dispute
2. Ball is in your court - It is up to you to make the next decision or step
3. Burn the midnight oil - To work late into the night,alluding to the time before electric lighting.
4. Can't judge a book by its cover - Cannot judge something primarily on appearance.
5. Don't put all your eggs in one basket - Do not put all your resources in one possibility.
6. keep something at bay - Keep something away.
7. Last straw - The final problem in a series of problems.
8. Not playing with a full deck - Someone who lacks intelligence.
9. Take with a grain of salt - This means not to take what someone says too seriously.
10.Wouldn't be caught dead - Would never like to do something.