单词 | to know something backwards |
释义 | to know something backwardsphrase [VERB inflects] See full dictionary entry for backwardsIn British English, if you say that someone knows something backwards, you are emphasizing that they know it very well. In American English, you say that someone knows something backward and forward. [emphasis] I asked about one or two things that interest me and she really did know it all backwards. |
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