The man again shook his head, for he could not understand or speak his language.

这个人又摇了摇头，因为他不懂也不会说他的语言。

youdao

He could not understand how people paid for food and valuable things with paper! He was also puzzled by the black stones people used to burn to produce heat.

他不明白人们是怎么用纸来买食物和贵重物品的！他还对人们用来燃烧产生热量的黑色石头感到困惑。

youdao

The Student looked up from the grass, and listened, but he could not understand what the Nightingale was saying to him.

那学生从草地上抬头看了看夜莺，听了听她的声音，但是根本不懂得夜莺对他说什么？

youdao

She could not understand why he killed the birds he seemed to like so much.

VOA: special.2010.04.03

Khan said the article had been given an "unwarranted twist" and he could not understand the controversy.

BBC: Bollywood's Shah Rukh Khan 'happy and safe' in India

The judge also said he could not understand why the government was not making a legal finding that Taylor had used "sophisticated means" to carry out the crime.

WSJ: Ex-Goldman trader pleads guilty in NY fraud probe

But Mr Sarkozy said he could not understand why the paper's journalists had gone on strike several times to try to block the recent takeover of their publication by his friend Bernard Arnault, France's richest man.

ECONOMIST: French business and the press