The idiom "faux pas" is French in origin and literally means "false step". In English, it refers to a social blunder or an error in behavior that can be considered inappropriate or offensive.

The idiom "joined at the hip" is a metaphor that means two or more people are very close to each other, both physically and emotionally. It suggests that they have a strong bond that is difficult to break.

The idiom "take over" means to assume or take possession of something, usually a role, responsibility, or business. It can also mean to begin doing something that someone else had been doing beforehand. Figuratively, it can refer to gaining control of a situation or a person's life.

The idiom "get on nerves" means to do something that irritates or annoys someone a lot, causing them to become upset or tense. It can also mean to be persistent or stubborn in doing something that drives others crazy.

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.