undid

英 [ʌnˈdɪd]

美 [ʌnˈdɪd]

v. 打开; 解开; 拆开; 消除，取消，废止(某事的影响); 打败; 挫败
undo的过去式

柯林斯词典

I undid my watch strap.
我解开了表带。
She undid her top button, still laughing and coughing at the same time.
她拉开了领口的钮子，一边笑，一边咳。
I undid the screws to get the door off.
我把螺丝拧开才把门拆掉。
I undid the bottom two buttons of my yellow and grey shirt
我解开了自己黄灰相间的衬衫上最下面的两个纽扣。
As they undid the letter, the piece of paper saying they were all alive fell on the ground.
他们打开那封信时，那张说所有人都活着的字条掉到了地上。
Leaving the door ajar, amid the stench of mouldy limewash and stale cobwebs he undid his braces.
门半掩着，在发霉的石灰浆和陈年的蜘蛛网的臭气中，解下了背带。
He bent down and undid his shoelaces.
他俯下身来解开鞋带。
So speaking, she undid the clasp that fastened the scarlet letter, and, taking it from her bosom, threw it to a distance among the withered leaves.
她一边这样说着，一边解开别着红字的胸针，从胸前取下红字，远远地抛到枯叶之中。
He undid the parcel.
他打开包裹。
He quickly undid the screws that held the cassette together.
他很快地拧开了磁带盒的螺丝。