言归正传

wǒ men yán guī zhèng zhuàn

我们言归正传。

We will return to the topic.

hǎo le ràng wǒ men yán guī zhèng zhuàn ba

好了，让我们言归正传吧。

Well, let's get down to business.

tā men hù zhì wèn hòu liáo le liáo jiā cháng rán hòu cái yán guī zhèng zhuàn

他们互致问候，聊了聊家常，然后才言归正传。

They exchanged greetings, compared notes on their wives and families, and finally got down to business.