It's uncomfortable today.今天的天气让人不舒服.

It's unpleasant today.

The heat is killing me.热死我了.

It's raining cats and dogs! 下了瓢泼大雨

It's frosty today. / It's a frosty day. 下霜了.

Do you understand? --I understand.

你懂吗？

You have to improve. Understood?

Understood. 明白了!

Is that clear? 清楚了吗? --It's clear.

Get the picture? /Do you get the picture? *这里picture指“状态”、“情况”、“事态”（你了解情况吗？）

Did you grasp the overall situation?

Do you know what I mean? --I think so.你了解我说的意思吗？

Are you listening to me? 你在听吗？/You know what I mean? 你明白我的意思吧？/Are u following me? /Do u get my drift? / Are u paying attention?

It's a great deal. 这可是笔大买卖。

Are you blind? 你不知道吗?

Can't u see? /What's the matter with u?

You know what I'm talking about. 询问

You know what I mean.

Don't play stupid.

I said that, didn't I? 我是那样说的吧?

That's okay.

Did I repeat myself?

Do u know that? /Do u know about that? 你知道那事吗？

Tom, do u happen to know Mary's phone number? 说不定你知道..? ---Yes, I do.

I can't tell the difference. /I can't tell.辨别（我辨别不出来）

Can you hear me? 你听得见吗？

Loud and clear.

Did you hear me?你听见我说的了吗？