"Go through channels" is an idiom that means to follow proper procedures or protocols, usually in a formal or official way. It suggests that someone or something has been authorized or approved before proceeding with an action or decision.

The phrase "method to madness" is an idiom that means there is a logical or rational explanation for someone's behavior, even if it may seem irrational or unpredictable at first glance.

The idiom "sea change" refers to a significant transformation or a radical shift in something. It is often used to describe a sudden and dramatic change in circumstances, behavior, or attitudes.

The idiom "apples to apples" is used to compare two things directly and objectively, without any bias or prejudice. It means that the comparison being made is fair and accurate, as if the things being compared are like apples.

The idiom "bad egg" is used to describe someone who behaves in a way that is dishonest, untrustworthy or generally unpleasant. This person may be seen as unreliable and may have a tendency to cause trouble for others.