We tried to discuss the matter calmly and reasonably.

我们试图冷静且通情达理地来讨论这个问题。

《牛津词典》

Calmly discuss the issue that matters most.

平静地讨论最重要的事情。

youdao

When your teen does tell you something upsetting, listen and discuss it calmly.

当你的孩子真的告诉了你让你不安的事情，冷静地听完并和他好好谈一谈。

youdao

Now the administration thinks it can sit down with these energetic sponsors of terror and calmly discuss how to calm the mayhem in Iraq?

ECONOMIST: George Bush now wants to talk to the axis of evil.