Hit the nail on the head Do or say something exactly right
At the drop of a hat Meaning: without any hesitation; instantly.
A penny for your thoughts A way of asking what someone is thinking
Cry over spilt milk When you complain about a loss from the past.
Ball is in your court It is up to you to make the next decision or step
A hot potato Speak of an issue (mostly current) which many people are talking about and which is usually disputed
Kill two birds with one stone This idiom means, to accomplish two different things at the same time.
Elvis has left the building The show has come to an end. It's all over.
Speak of the devil! This expression is used when the person you have just been talking about arrives.
Bite off more than you can chew To take on a task that is way to big.
