我们可以用非正式表达 let off steam 来表示宣泄被压抑的情感、释放情感，在日常对话中尤其被用来形容“把心里的话都一股脑地说出来”。

例句

Ruth spent the whole afternoon complaining about her boss. She needed to let off some steam.

We often go jogging after work to let off steam.

请注意

另一个短语 run out of steam 的意思是“精疲力尽，在事情进行过程中突然失去精力或兴趣”。

例句

My mum can talk for hours before she runs out of steam.

The beginning of his speech was fantastic but after a while he started to run out of steam.