Don't beat around the bush别拐弯抹角了。

You're hopeless!你真是没救了。

I have an upset stomach. 我肚子痛。

I took you for someone else.我认错人了。

Why are you so sure?怎么这样肯定？

It's not clear事情还未明朗。

It's getting on my nerves.真让人心烦