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

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。
He sat down in the sluttish armchair and undid the straps of the brief-case.
他在那张邋遢的沙发上坐下来，把公文包的搭扣带松开。
"No, please do not refuse," Sasha went on muttering as he unpacked the parcel. Sasha undid the object and put it solemnly on the table.
不，劳驾，您千万不要推辞，萨沙继续嘟哝说，打开纸包。萨沙拆开这件东西的纸包，郑重地把它放在他的桌子上。
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。
The workmen mended the road, but a heavy storm undid their work.
一场暴风雨破坏了工人们已修好的道路。
He undid most of the good work of his predecessor.
他把前任的大部分业绩毁掉了。
The disastrous fire undid months of hard work.
灾难性的大火使我们数月的辛勤劳动化为乌有。
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。
He quickly undid the screws that held the cassette together.
他很快地拧开了磁带盒的螺丝。
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。