英语短语 let off steam 意思是释放情感，特别表示把心里的话都一股脑地说出来。

例句

I shouldn't shout at my husband but sometimes I need to let off steam.

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 意思是对某事失去了兴趣:

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.