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

• 
  Undidis the past tense ofundo.

双语例句

• 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。
• And then, when my head was well in the room, I undid the lantern just so much that a single thin ray of light fell upon the vulture eye.
  然后，当我的头很好，我解开了房间的灯就如此之快，以至于单一薄的光芒落鹰眼。
• I undid my watch strap.
  我解开了表带。
• 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。
• He bent down and undid his shoelaces.
  他俯下身来解开鞋带。
• He undid the parcel.
  他打开包裹。
• He undid most of the good work of his predecessor.
  他把前任的大部分业绩毁掉了。
• I undid the screws to get the door off.
  我把螺丝拧开才把门拆掉。
• 72. The doctor's doctrine undid one dollar and a dozen of collars.
  72.博士的学说毁掉了一美元和一打衣领。
• He undid the package.
  他解开了那个包裹。