What's done cannot be undone
覆水难收
🧩 词语组成解析
what's
[[wɔts]]
（尤当 has 为助动词时, what is 或 what has 的常用口语形式）; 乌
done
[dʌn]
adj. 已完成的;煮熟的;合乎礼仪的;合乎规矩的;
int. （表示接受建议）;
v. 做( do的过去分词);干;
cannot
['kænɔt]
=can not;未可;不能;不可;
be
[bi]
v. 是;有，存在;做，成为;发生;
aux. 用来表示某人或某物即主语本身，用来表示某人或某物属于某一群体或有某种性质;
undone
['ʌn'dʌn;ʌn'dʌn]
adj. 已解开的;未做的;烦乱的;毁了的;
v. 松开( undo的过去分词 );解开;毁灭;败坏;
🗣️ 情景例句
Have you ever done supervisory work?
你担任过管理工作吗？
I'm afraid all my efforts were in vain.
我担心我的努力全白费了。
Mr. Huawei always has a lot of meetings to attend.
华威先生总有开不完的会。