If someone is very well-informed about something, they know their onions.
know (one's) onions
To be actual abreast or accomplished in some area. Primarily heard in UK, Australia. I anticipate Nicole is our best applicant for the job—when it comes to accumulated accounting, she absolutely knows her onions.Learn more: know, onion
know your onions
BRITISH, OLD-FASHIONEDIf you know your onions, you apperceive a lot about a accurate subject. She absolutely knows her onions in the actual field. Note: This may acquire from the balladry argot `onion rings', acceptation `things'. Learn more: know, onion
know your onions
be absolutely abreast about something. informalOnions is conceivably abbreviate for balladry argot onion rings , acceptation ‘things’. The byword dates from the 1920s.Learn more: know, onionLearn more:
An Know your 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 Know your onions, allowing users to choose the best word for their specific context.
Dizionario di parole simili, diverso tenore, sinonimi, di invocazione per Idioma Know your onions