undo

vt.

1. 松开, 解开
   • Can you undo this knot?
     你能解开这个结吗?
   • He undid the parcel.
     他打开包裹。
   • He undid the string round a parcel.
     他解开了绑包裹的绳子。
   • He bent down and undid the laces of his shoes.
     他弯腰解开鞋带。
2. 毁灭; 败坏
   • His pride will undo him some day.
     他的傲慢总有一天会毁了他。
   • He did wrong, and in the end his wrongs undid him.
     行恶者终以其恶毁其身。
   • This mistake has undone all our good work.
     这个错误使我们所有良好的工作白做了。
   • The evil that he did can never be undone.
     他做的坏事永远不会被抹掉。
   • What is done cannot be undone.
     覆水难收。