| 词汇 | know something backwards |
| 释义 | know something backwardsknow something backwards 1 British EnglishBrE, know something backwards and forwards American EnglishAmEKNOW something to know something very well or perfectly 对某事了如指掌，熟知某事 She practiced her part until she knew it backwards and forwards. 她反复练习她的台词和动作，直到非常熟练。 → know something backwards at backwards(3) 2 → know something inside out |
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