我們換個話題吧!

Let’s change the subject.=Let’s talk about something else.=Let’s talk about something different.=I’d rather talk about something else.

言歸正傳。

Let’s get back to the subject.=Let’s get back to the point.=Let’s get back on track.

我現在不想談那件事。

I don’t want to talk about it now.=I’d prefer not to talk about it.

那事兒以后再說吧。

Let’s talk about it later.

另外我們說說……

To change the subject...

好了，玩笑就到此……

Well, all joking aside,...=Well, seriously,...

順便提一下……

By the way,...

你剛才說什么來著?

You were saying?

接著說。

Continue.=Carry on.=Please go on.

啊，我想起來了。

That reminds me.

別說了。

Let’s stop talking.=I’m tired of talking. =I don’t want to talk anymore.

那事兒我聽過了。

I’ve heard the story before. =You’ve already told me.

這件事別再說了。

Let’s drop the subject. =Let’s drop it.=I don’t want to talk about it anymore.