| 词汇 | know from nothing |
| 释义 | not know from nothingTo be completely ignorant or uninformed (about something). Don't ever second-guess my judgment again, you hear me? You don't know from nothing! Don't mind her, Phil. She doesn't know from nothing. know (or not know) from nothingbe totally ignorant, either generally or concerning something in particular. North American informal |
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