adj.解開的；未完成的；毀了的；煩亂的

動詞undo的過去分詞形式.

One of your buttons is undone. 你的一個扣子松開了。

Finish the exercise undone in class. 完成課堂上未做的題。

He was gone and left all the work undone to me. 他走了，把所有沒做完的工作都留給了我。

Take honour from me and my life is undone. 將名譽從我身上拿走，我的生命也完蛋了。

We can say you were mentally undone by the surprise of the breakup. 我們可以說你被突然的分手打擊得神經(jīng)錯亂了。

When the inevitable order came to "Fix bayonets", he was undone. 當“上刺刀”的口令傳來時，他就變得失魂落魄。