The idiom "snow under" means to work very hard or be extremely busy, often to the point of being overwhelmed or stressed. It can also mean to perform well under pressure or in a difficult situation.

The idiom "tasted blood" means to feel a sense of satisfaction or triumph after achieving something, often at the expense of someone else. It implies a desire for revenge or retribution.

The idiom "the bigger they are, the harder they fall" is often used to describe how people or things that are powerful or dominant can still fail or experience a setback. The phrase suggests that even those who seem invincible can be brought down by their own weaknesses or mistakes.

The idiom "out of the closet" means to reveal or make known something that was previously kept hidden or private. It can also refer to coming out of the dark or being open about one's true intentions or motivations.

The idiom "building blocks" refers to fundamental components or basic units that make up a larger structure or system. It can also mean the essential elements of learning, development, or progress.