You will find this pattern very useful anytime you're not feeling happy about something and you want to express yourself.

你会发现，当你因为什么事感到低落，你想表达自己的感觉时，这个句型特别有用。

I get so upset 课堂 - SpeakingMax英语口语达人

We were going down in the first movement. Now we're going-- It's going up and instead of having just the violins playing we have the trumpets, the heroic trumpets, so it sounds very triumphant.

第一乐章中,我们曾情绪低落,但现在,情绪正高涨,刚才小提琴演奏的部分,换成了小号,豪情万丈的小号,听上去有种胜利的喜悦

耶鲁公开课 - 聆听音乐课程节选

And the challenge is to combine "the permission to be human" to experience the emotion to go through the motion and yet not to enter the downward spiral where six months later, after small incident, I'm still in that rot.

困难在于将之与准许为人相结合“,去体会情绪，实现转移,但不会进入下行螺旋，在发生小小意外六个月后，仍心情低落。

哈佛公开课 - 幸福课课程节选