The idiom "drive home" means to go or travel back to one's home or residence after completing a task, errand or activity. The figurative meaning of this idiom refers to the act of returning to one's comfort zone, familiarity and security.

The idiom "chip on one's shoulder" refers to a person who has a negative or hostile attitude towards someone or something, often due to an insecurity or perceived slight.

The idiom "take with a grain of salt" means to accept information or advice with skepticism, as it is not necessarily true or reliable. It suggests that the listener or reader should be cautious and not take the information at face value without verifying it first.

The idiom "pitch in" means to contribute or take part in something enthusiastically, especially when doing so is not required or expected. It can also mean to help out or cooperate with others, often for a common goal.

The idiom "good account of" means to have a detailed explanation or accurate information about something. It can also imply being able to provide an account or report about something, as well as having a thorough understanding of a topic.