have a heart-to-heart talk
I guess we should have a heart-to-heart talk.
我想我们应该认真谈谈。
have a heart-to-heart talk:好好谈谈
例:
You have been giving me the cold shoulder recently. Let's have a heart-to-heart talk.
你最近对我很冷淡,让我们认真谈谈原因吧。
Our relationship is drifting apart.Let's have a heart-to-heart talk.
我们的关系越来越疏远了,我们好好谈谈吧。