| 词汇 | know one's onions |
| 释义 | Idiom know one's stuff and know one's onions Theme: KNOWLEDGE 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 (one's) onionsTo be very knowledgeable or skilled in some area. Primarily heard in UK, Australia. I think Nicole is our best candidate for the job—when it comes to corporate accounting, she really knows her onions. know your onionsBRITISH, OLD-FASHIONEDIf you know your onions, you know a lot about a particular subject. She really knows her onions in the historical field. Note: This may derive from the rhyming slang `onion rings', meaning `things'. know your onionsbe fully knowledgeable about something. informalOnions is perhaps short for rhyming slang onion rings , meaning ‘things’. The phrase dates from the 1920s. |
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