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

教授，我对您遭受的损失深表同情。

He would sympathize but he wouldn't understand.

他可能会表示同情，但不会理解。

Some Europeans sympathize with the Americans over the issue...

一些欧洲人在该问题上对美国人表示理解。

He liked Max, and sympathized with his ambitions.

他喜欢马克思，而且认同他的志向。

Most of the people living there sympathized with the guerrillas.

住在那里的大多数人支持游击队。