The idiom "miles to go before I sleep" means that there is a long way to go or a lot of work left to do before something can be completed. It expresses the idea that one has not yet reached the end of their task, and that there are still many steps left to take.

The idiom "blood on hands" refers to a situation where someone is responsible for a crime or a wrongdoing that has caused harm or damage to others. It implies that the person has committed an act of violence or aggression that has left physical evidence in the form of blood stains.

The idiom "scapegoat" refers to someone or something that is unfairly blamed for a problem or mistake, even if they are not responsible for it.

The idiom "knock socks off" means to impress or astonish someone greatly. It is used to describe an event, person, or thing that is so impressive or surprising that it takes one's socks off.

The idiom "suited and booted" is used to describe someone who is well-dressed and ready for an occasion or activity. It can also be used to describe a situation that is ideal or perfect for someone or something.