如果你患有抑郁症，最好寻求专业帮助。

If you suffer from ___depression, it's best to get professional help.

我妈妈总是因为我妹妹的害羞和抑郁而担心她。

My mum always worried about my sister because of her shyness and ___depression.

在他重度抑郁期间，他发现很难集中精力做任何事情。

During his severe ___depression, he found it difficult to concentrate on anything.