好了，玩笑就到此……

Well, all joking aside,...

Well, seriously,...

例句：

Ha, ha, that's a good one! (哈，哈，这个玩笑真有趣。)

Well, all joking aside, let's get to work. (好了好了，玩笑归玩笑，快去干活儿吧。)

顺便提一下……

By the way,...

Well,...

Now,...

例句：

It was really fun. (真的特好玩。)

By the way, how is John? (顺便问一下，约翰怎么样了?)

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。

That reminds me.

例句：

The party gonna be great! (那个舞会一定会很棒。)

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