The idiom "for a while" means for a certain period of time or temporarily. It is commonly used to refer to a specific duration of time that is not necessarily exact but is intended to give an approximate idea of how long something will last.

"Learn the ropes" means to get used to something new or to become familiar with a particular situation, task, or job. It is often used when someone is starting out in a new position or just beginning to learn about something.

"A bit much" is an idiom that means something is too extreme or excessive. It can also mean that something is overwhelming or more than what someone can handle.

The idiom "lie low" means to keep a low profile, or to remain hidden or discreet. It can also mean to avoid attracting attention or being noticed. For example, when someone is wanted by authorities or is in hiding from someone, they might lie low.

The "ABC" idiom is used to indicate that someone has no knowledge or experience of a particular topic. It is often used in a negative context to suggest that someone is ignorant or clueless about something.