English / idiom
Know Your Onions
MEANING IN ENGLISH
To be extremely competent, well-informed, and experienced in one's profession or area of study.
In context
01
If you require specialized tax guidance, consult Farhana; she truly knows her onions.
02
The lead mechanical engineer answered every technical query effortlessly, proving he knew his onions.
Synonyms
know one's stuff,be highly competent,be an authority
Antonyms
be incompetent,be ill-informed,lack expertise
Collocations
really know your onions,prove you know your onions,clearly know one's onions