Exclamations

She's got eight children.
You're joking!

I saw Jamie smoking, and he's only twelve.
Good grief!

I missed the last train home.
Bad luck!

It's my maths exam this afternoon.
Good luck!

Have you got a new girlfriend?
Mind your own business!

You're joking! = You must be ˈjoking!

used to show that you are very surprised at what somebody has just said

Good grief!

used to express surprise or anger

It’s going to cost us £500.
Good grief!

我们得花500英镑。
天啊！

grief

/ɡriːf/
something that makes you feel extremely sad

It was a grief to them that they had no children.
没有孩子是他们的一块心病。

bad luck = hard luck

used to express sympathy for somebody

Bad luck, Helen, you played very well.
海伦，你表现得非常好，只是运气欠佳。

good luck

used to say that you hope that someone is successful or that something good happens to them

mind your own business = it's none of your business

a rude way to tell somebody not to ask questions about something private

Why don’t you just mind your own business and leave me in peace?
你能不能别管闲事，让我清静一点呢？