They worry that high interest rates are keeping the dollar too high.

他们担心高利率会使美元比值过高。

《柯林斯英汉双解大词典》

They worry about the fat and calorie content.

他们担心脂肪和卡路里含量。

youdao

They worry that the adolescent peer group has the power to push its members into behavior that is foolish and even dangerous.

他们担心青少年同龄群体有能力迫使其成员做出愚蠢甚至危险的行为。

youdao

But other doctors say they worry that the changes will reduce testing and lead to more women dying from breast cancer.

VOA: special.2009.11.18

most chemical and biological systems aren't that simple precisely because you have to worry about many particles and their statistics and the way they might order or disorder.

大多数化学或者生物系统并不是这么简单,因为你必须担心大量的粒子,和他们的统计特性以及它们有序,和无序的情况。

麻省理工公开课 - 热力学与动力学课程节选

Firms in perfect competition are price takers: they don't particularly have to worry about the actions of their competitors.

这些企业是价格接受者,他们不必担心,他们的竞争对手的策略

耶鲁公开课 - 博弈论课程节选

Congress is afraid of their boss. (We, the people.) They worry about getting fired.

FORBES: Congress Motivated By Fear, Incompetence... Just Like Big Business!

So they see them, they worry about them, they worry about all kinds of things.

NPR: How The Syria Debate Is Playing Out In The Middle East

They worry that introducing top-up fees would scare off potential students from poor families.

ECONOMIST: The battle-lines over university fees have been drawn