sure thing

n. 肯定要发生的事

例句与用法：

It's sure thing that he'll succeed at what he chooses to do because he's so talented.

因为他那样有才干，他选定的事必将成功，这是无可置疑的。

It is no fun betting on a sure thing.

对必然要发生的事打赌是毫无意义的。

Sure thing, I'll be glad to do it for you.

当然，我很高兴为你做这事。

Sure thing!

当然可以！

详细释义：

ph.

必然之事; 一定成功的事

These stocks will earn money; it's a sure thing.

那些股票稳赚。

His election is a sure thing.

他准会当选的。