The idiom "new blood" refers to new, fresh, or innovative ideas, approaches, or strategies that bring about change and improvement. It is often used to describe someone or something that brings a new perspective or energy to an organization or situation.

The idiom "put the cart before the horse" means to do something in the wrong order or to make a mistake by jumping ahead of what should be done first. It is often used to caution someone against making hasty decisions or taking actions without considering all the necessary information.

"Clarion call" is an idiom that refers to a strong, clear, and persuasive statement or message that calls people to action. It can be used to describe a speech, announcement, or any other form of communication that inspires or motivates people to do something.

The idiom "done in" means to be so worn out or exhausted that one can no longer function properly. It often implies that someone has reached their breaking point and is unable to continue.

The idiom "crack up" means to laugh uncontrollably, usually until one is on the verge of tears or sobbing. It can also mean to burst into pieces or to be destroyed or ruined.