Could you explain exactly what you do?

您能确切的解释一下你做些什么吗？

Come and help!

咱们去帮帮忙吧！

Don't try to get up. You shouldn't get up if you're badly hurt.

别起来。受了重伤，你不该起来的。

It's a bit small, isn't it?

缸不小吗？

Sounds like a good idea. Let's do that.

听起来是个好主意。咱们去游泳吧。

Haven't you heard?

你没听说吗？