Do you work out ?

你健身吗？

Someone‘s been working out !

看来有些人最近在健身哦

It is an impressive achievement.

这是一项令人敬佩的成就。

He gave an impressive speech to a receptive audience.

他做了一次感人的讲演，听众深受感动。

Oh, Tim! I'm sorry but I have to dash.

噢，蒂姆！很抱歉，但我得赶紧走了。

I have to dash now.

我现在得赶紧走了。

These two words are interchangeable.

这两个字可以通用。

In such an environment, stories become interchangeable.

在这样的环境里面，故事全都变得可以互相代替。