| 单词 | know sb/sth backwards |
| 释义 | ● know sb /sth ˈbackwards (informal , especiallyBrE ) to know sb /sth extremely well 对…了如指掌（或倒背如流）；把…背得滚瓜烂熟◆ She must know the play backwards by now . 她现在对这个剧本肯定是倒背如流。See also backwards |
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