There is no mercy, just anger I find.

没有怜悯，只有愤怒。

youdao

Anger is never just anger. Anger is a cover up for fear, hurt, or disappointment.

怒火从不仅仅只是生气，怒火是一种恐惧、受伤、或者失望的表现。

youdao

She just managed to hold back her anger.

她勉强压住了自己的怒火。

《牛津词典》

We want 'leave us alone,'" But in many of these meetings, the anger and fear on display suggests concerns far beyond just the health care issue.

VOA: standard.2009.08.17

Would you go to the ticket window and use your credit card to pick up the tickets or would you just walk away in anger and annoyance?

你会去购票窗口,用你的信用卡再买票吗,还是带着烦闹愤怒而走掉呢？

耶鲁公开课 - 金融市场课程节选

And people had no money, and there's just incredible anger.

但是民众身无分文,只有无穷的怒火

耶鲁公开课 - 1871年后的法国课程节选

Approach it just from anger and you will be fought all the way.

CNN: STORY HIGHLIGHTS

But there was just as much anger over the destruction of the hills, an inevitable consequence of copper mining.

BBC: Spirit of defiance at Burma's Monywa mine

They chronicle their daily lives, fears, frustration, anger and just normal day-to-day existence in a broken city.

NPR: Video Diaries Give Glimpse of Daily Life in Baghdad