The idiom "keep an eye on" means to be alert, observant, or watchful over something or someone. It can also mean to monitor or supervise a situation or person closely. This idiom is used when you want to keep track of something or someone that might cause problems or pose a threat.

The idiom "get your goat" is used to describe a situation where someone's bad mood or temperament is caused by a specific event or person. It refers to the idea that someone has been agitated or upset by something, and it suggests that they may have difficulty controlling their emotions.

The idiom "late unpleasantness" refers to something unpleasant or unwanted that happens after a certain point of time has passed, often when it is too late to do anything about it. It can also imply a sense of disappointment or frustration that things didn't go as planned.

The idiom "lose it" is commonly used to describe a sudden loss of control, a strong emotional reaction, or a breakdown in one's mental state. It can be used to describe a situation where someone loses their temper, breaks down into tears, or simply becomes overwhelmed by emotions.

The idiom "do one’s bit" means to contribute or participate in something as much as one is able or expected. It often implies a sense of duty or responsibility, and suggests that individuals should work together towards a common goal.