I'm not happy with his work this term.

我对他这学期的表现不满意。

《牛津词典》

I'm not happy with this way of working.

我不喜欢这种工作方法。

《牛津词典》

I'm not happy with the situation, but I've just got to accept it.

虽然我对这种局面并不满意，但我必须得接受它。

《柯林斯英汉双解大词典》

Sometimes he seems to be saying, "I'm not happy about anything, but what are you going to do about it?"

VOA: special.2010.01.17

No,I'm not happy now.

不，我不满意。

耶鲁公开课 - 死亡课程节选

So, really I'm pretty happy with what I've gotten to do, and I just want to say we're not trying to convert all of them you pre-med people, by any means.

事实上，我很对我所做的事情很高兴,我想说我并不是想。

麻省理工公开课 - 化学原理课程节选

It's outrageous, I'm not happy about this at all, because we are being punished.

BBC: NEWS | UK | My anger over 'working for free'

"I'm not happy, " said Nova, who is in a fight with David Phelps to be the fifth starter.

WSJ: Cano's 2 RBIs help Yankees top Twins 9-7

I'm also looking at the issue of cautions for knife crime, which I'm not happy with at all.

BBC: Tougher prison sentences for violent crime in force