It's uncomfortable today.今天的天氣讓人不舒服.

It's unpleasant today.

The heat is killing me.熱死我了.

It's raining cats and dogs! 下了瓢潑大雨

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

Do you understand? --I understand.

你懂嗎？

You have to improve. Understood?

Understood. 明白了!

Is that clear? 清楚了嗎? --It's clear.

Get the picture? /Do you get the picture? *這裏picture指“狀態”、“情況”、“事態”（你了解情況嗎？）

Did you grasp the overall situation?

Do you know what I mean? --I think so.你了解我說的意思嗎？

Are you listening to me? 你在聽嗎？/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. 這可是筆大買賣。

Are you blind? 你不知道嗎?

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

You know what I'm talking about. 詢問

You know what I mean.

Don't play stupid.

I said that, didn't I? 我是那樣說的吧?

That's okay.

Did I repeat myself?

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

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

I can't tell the difference. /I can't tell.辨別（我辨別不出來）

Can you hear me? 你聽得見嗎？

Loud and clear.

Did you hear me?你聽見我說的了嗎？