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 "catch-22" refers to a situation where one is trapped by contradictory or circular conditions, making it impossible to choose the right course of action.

The idiom "pour cold water on" means to ruin someone's plans or destroy their mood by introducing an unpleasant or unwanted element into the situation. It is used to express disappointment, frustration, or a desire for something more positive or agreeable.

The idiom "bad-mouth" means to speak negatively or harshly about someone or something. It can also mean to criticize, disparage, or insult someone or something.

The idiom "doldrums" refers to a state of stagnation, depression, or unproductivity. It can also mean a situation where nothing is happening or progress is slow.