用let off steam表达“宣泄被压抑的情感”

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”。

• 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.

值得注意的是，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”。

• 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.