What were you chatting about?

你们聊了些什么？

《牛津词典》

For standard colleague avoidance, I suggest fake chatting about fake business: "Yes, I'm glad you called, because we really need to hammer out the details."

对于典型的同事回避，我建议假装聊一些假生意：“是的，很高兴你打电话来，因为我们真的需要敲定细节。”

youdao

For many girls, chatting about or dwelling on their problems is just a part of growing up.

对于好多女孩来说，聊天谈论或细想详述他们的困惑恰恰是他们成长的一部分。

youdao

The campaign veterans did not see the benefits of their candidate chatting about American slavery.

NEWYORKER: Leap of Faith

The two shared a room and stayed up late chatting about shared interests: girls and dancing.

CNN: The Gift of Charles

That is a critically different question than this: Do your social media habits include chatting about TV?

FORBES: Social TV: The Viggle-GetGlue Merger Makes Sense, But Does It Matter?