undoun•do /ˌʌn'duː/ undid/-'dɪd/undone/-'dʌn/

vt

1. 脱去,解开(衣服或包裹等)

• He undid the buttons for some relief. 他解开钮扣喘口气。

2. 使恢复原状；取消

• We undid the office as it was. 我们恢复了办公室原来的样子。

• What is done cannot be undone. 谚 覆水难收。