cry over spilled milk 为既成事实懊悔
what's done is done 既成事实无法改变
no use crying over spilt milk 为过去懊悔无用
let it go 放下过去
move on 向前看
1. There's no use crying over spilt milk after the exam is over.
考试结束后再后悔也没有用了。
2. She told him not to cry over spilt milk and focus on the future.
她告诉他不要为已发生的事懊悔，要着眼未来。
3. We made a mistake, but crying over spilt milk won't help.
我们犯了错误，但懊悔并无帮助。
4. Instead of crying over spilt milk, try to fix what you can now.
与其后悔过去，不如尽力弥补现在能做的。
A: I failed the test and I feel terrible.
A：我考试没及格，感觉很糟糕。
B: Don't cry over spilt milk. Let's study harder next time.
B：别为已发生的事懊悔，我们下次努力学习吧。
1) 用于劝人不要为无法改变的事情后悔
2) 强调过去的错误无法挽回
3) 鼓励专注当下与未来
1. 为无法挽回的事后悔
e.g.
There's no point crying over spilt milk.
后悔已无法改变的事情是没有意义的。
2. 劝人放下过去错误
e.g.
Don't cry over spilt milk and move forward.
不要沉溺过去，要向前看。
idiom
1. To be upset or regretful about something that has already happened and cannot be changed.
Synonym: what's done is done, let bygones be bygones