Mr. Thomas was suffering from depression.

托马斯先生当时正受抑郁症折磨。

《柯林斯英汉双解大词典》

Teenagers who are addicted to the Internet are more likely to suffer from depression.？

有网瘾的青少年更有可能患上抑郁症。

youdao

But if these feelings don't go away or become so intense that you can't handle them, you may be suffering from depression.

但是如果这些感觉仍没有消失或者变得更强烈以至于你无法控制，你就有可能会患上抑郁症。

youdao

Mental health experts say therapy can often help patients suffering from depression, severe stress or other conditions.

VOA: special.2010.04.13

The reason why we need positive psychology is to shift the pendulum from the 21:1 ratio that we have today: for every one study on depression or anxiety, we have 21 studies on-- sorry, for one study on happiness or wellbeing, we have 21 studies on depression and anxiety.

我们需要积极心理学是为了改变,现在的21比1这个比率：,每有一项关于抑郁或焦虑的研究，就有21项，对不起，应该是每有一项关于快乐或幸福的研究，就有21项关于抑郁或焦虑的研究。

哈佛公开课 - 幸福课课程节选

Some patients are misdiagnosed as suffering from depression because many of the symptoms are the same - poor sleep patterns, depressed feelings and pain all over the body.

VOA: special.2011.07.26

Bozzie Sheffi, representing Anderson, said her client suffered from depression and was physically exhausted.

BBC: Beds, Herts & Bucks

Cowper suffered all his life from depression and even from the occasional bout of madness.

ECONOMIST: English letters

Again, the stories were affecting her: she had been taken to hospital, suffering from depression.

ECONOMIST: Obituary