She handles this difficult subject with a light touch.

她处理起这种难题来方法很巧妙。

《牛津词典》

Mathematical physics is an almost impossibly difficult subject.

数学物理学是一门难得难以想像的学科。

《柯林斯英汉双解大词典》

I feel that geometry is a difficult subject.

我认为几何是一门难学的课程。

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But before telling you about this let me sort of Go through some of the hypothesis that we have and That we are now testing about why the subject is Difficult and why these materials assembled what We have assembled them might be useful.

但是谈那之前我要说说,我们之前的一些假设,我们现在正在测试为什么这个学科很难,以及为什么我们整合这些资料是有用的,我们认为把它们整合起来或许有用。

麻省理工公开课 - 媒体、教育、市场课程节选

Describing the clashes between Christians and Muslims in the south, she treats a difficult subject with intelligence and sensitivity.

CNN: Two women on an intriguing stroll through Asia

But it is a difficult subject for Egypt, which has no fondness for Hamas, the Palestinian off-shoot of Egypt's banned Muslim Brotherhood.

NPR: Rice Plans More Prep Work for Mideast Talks

Autopsy, like organ donation, is a difficult subject to broach with grieving families (though the public good associated with both can help the grieving process).

ECONOMIST: Autopsies