I find it very hard to sympathize with him.

我觉得很难去同情他。

I must tell you how much I sympathize with you for your loss, Professor.

教授，我必须告诉您我对您所受的损失深表同情。

Some Europeans sympathize with the Americans over the issue.

一些欧洲人在这个问题上对美国人表示理解。

I heartily sympathize with you.; I have every sympathy for you.

我很同情你。

Everyone would sympathize with you.

每个人都会同情你的。