你刚才说什么来着?

You were saying? *说话过程中话题改变时。

Continue. Carry on.

Please go on.

啊，我想起来了。

Oh, that reminds me. I can't go. (啊，我想起来了，我去不了。)

别说了。

Let's stop talking.

I'm tired of talking.

I don't want to talk anymore.

那事儿我听过了。

I've heard the story before. *用于对方重复说一件事时。

You've already told me.

I'm sick and tired of hearing that. *sick and tired of... “对……腻透了”。

I've heard enough about it (already).*加already起强调作用。

I don't want to hear about it anymore.

这件事别再说了。

Let's drop the subject. *drop 除了“落下”之外，还表示“(问题、事件、话题等)完了、结束、停止”。

Let's drop it.

I don't want to talk about it anymore.

别那么大声说。

Don't say it so loud.

I thought you were hard of hearing.

Don't say that kind of thing so loudly.

(Please) lower you voice.