| 释义 |
un.do obj REMOVE EFFECTSQn5dU:v [T]undoing, past simple undid Vn9dId, past part undone Vn9dVnto remove the good or bad effects of (an action or several actions)取消，废除，撤销，消除，使无效，破坏I did a really tough aerobics class and then went out for a meal and undid all the good work!我上了一堂费力的有氧健身课, 然后出去吃饭, 使所有的锻炼都白做了！It's very difficult to undo the damage that's caused by inadequate parenting in a child's early years.在孩子幼年时由缺少养育造成的损害很难消除。"What's done cannot be undone" (Shakespeare, Macbeth 5.1) “生米做成熟饭”(莎士比亚《麦克佩斯》)
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