The origin of the idiom "know one's onions" can be traced back to the early 20th century, particularly in the United States. The word "onions" in this idiom is a metaphor for expertise or knowledge in a specific area. It likely originated from the idea that if someone knows how to select, grow, and use onions effectively in cooking, they possess a certain level of culinary expertise. This expression is used to praise or acknowledge someone's deep knowledge, skill, or expertise in a particular field or subject matter.

What is the origin of the idiom "know one's onions" and when to use it?

2a5b947facc65dcffebbd89b93e269a60fee8607360361ed737b362f6928e009

to [know] {one's} onions

https://tts.langeek.co/read?text=dG8ga25vdyBvbmUncyBvbmlvbnM&hash=42e7313cddcd8063fd503d354af1e095bb945adb&lang=en&cache-only=0&driver=googletts&accent=US

https://tts.langeek.co/read?text=dG8ga25vdyBvbmUncyBvbmlvbnM&hash=2beab93041cdecdf949df7109090f51c46fb6067&lang=en&cache-only=0&driver=googletts&accent=GB

Definizione e significato di "know one's onions"in inglese

Download Mobile App