The idiom "cut both ways" means that something has advantages as well as disadvantages. It suggests that a decision, action or situation can have both positive and negative consequences.

The idiom "knee jerk reaction" refers to an immediate, involuntary, and often reflexive response to a situation or stimulus. It is a term used to describe a behavior that lacks any deliberate thought or planning and is instead based on instinct or habit.

The idiom "come a cropper" means to fail miserably or suffer a great defeat, often involving unexpected events or circumstances that lead to the downfall of an individual, group, or organization. It can also imply taking a mistake or misstep that leads to failure.

The idiom "close the books" is used to describe the process of finalizing financial accounts, typically at the end of an accounting period. It can also be used to indicate the completion of a project or task, as well as to signify the end of something.

"Bear fruit" is an idiom that means to yield or produce something positive or desirable as a result of one's efforts, actions, or behavior. The phrase can also refer to achieving success or realizing one's potential.