to know what one is expected to know. (Informal or slang.) • I know my stuff. I can do my job. • She can't handle the assignment. She doesn't know her onions.
Know your onions
If someone is very well-informed about something, they know their onions.
know one's way around|know|know one's onions|know
v. phr. 1. To understand how things happen in the world; he experienced in the ways of the world. The sailor had been in the wildest ports in the world. He knew his way around. Compare: HAVE BEEN AROUND. 2. or informal
An onions idiom dictionary is a great resource for writers, students, and anyone looking to expand their vocabulary. It contains a list of words with similar meanings with onions, allowing users to choose the best word for their specific context.
Dizionario di parole simili, diverso tenore, sinonimi, di invocazione per Idioma onions