And even if I had enough money, I knew that such diamonds are very difficult to find.

VOA: special.2009.07.18

Some people find that a psychologically difficult thing to accept, but I've believed that pretty much all my life, so I'm quite comfortable with it.

有些人会觉得心理上,很难接受这一点，但在我的人生中，我一直相信这一点，我也坦然接受这一点。

普林斯顿公开课 - 人性课程节选

It's so difficult. I can't find the right car for the right price.

这太难了。我找不到一款价格合适的车。

How can I 实战 - SpeakingMax英语口语达人

So one thing that I find that's more difficult here is

我发现在这里更难的一点是

一见钟情的学校 - SpeakingMax英语口语达人

And then watch what happens to the prose style and the difference in tone: I find it most difficult to express with adequate force that flash, that shiver, that impact of passionate recognition.

然后看看那些散文风格,及语调发生的改变：,我发现要恰如其份地表现一刹那的那种颤栗，那种动了感情发现的碰撞，真是最为困难。

耶鲁公开课 - 1945年后的美国小说课程节选