It is sunburn that is most worrying—recent research shows five episodes of sunburn in the teenage years increases the risk of all skin cancers.

最令人担忧的是晒伤——最近的研究表明，如果青少年时期经历过五次晒伤，患上任何一种皮肤癌的风险就都会增加。

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It's Houston's injury that is now the most worrying.

休斯顿的伤现在是最令人担心的。

《柯林斯英汉双解大词典》

What is most worrying about the whole problem is, perhaps, that it is yet another instance of the innocent majority being penalized and inconvenienced because of the actions of a small minority.

也许整个问题中最令人担忧的部分是，另一个无辜的群体因为少数人的行为而受到惩罚并深受困扰的例子。

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Perhaps most worrying, the crowd seemed keener on Sarah Palin than on their own senator.

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Yet, the celebrity culture masks one of the most worrying trends in society in recent years.

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Most worrying of all, perhaps, is its lack of investment banks and venture capitalists.

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