心平气和

Let’s discuss this like civilised people.

像文明人一样心平气和地讨论。

He spoke calmly to them trying to pour oil on troubled waters but it was useless.

他心平气和地与他讲话, 试图使争吵平息, 但这却是徒劳的。

In such a shabby place Yuan Xian didn't think it was hard.He could play music in heartsease without revealing any feeling of fidget.

在这样恶劣的环境，原宪并不以为苦，他可以心平气和地在屋内弹奏乐曲，丝毫听不出烦燥不满的情绪。