It's very difficult to be happy if we are experiencing severe depression or anxiety.

要快乐并不容易,如果我们感觉很压抑或焦虑。

哈佛公开课 - 幸福课课程节选

Use the "I'm frustrated" pattern to express yourself when you feel stifled,

当你觉得很压抑的时候，你可以使用“I'm frustrated”句型。

I'm frustrated 课堂 - SpeakingMax英语口语达人