词典释义：
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I love how they've all gone to bed, without the slightest concern about us. What did they think we were doing?
真高兴他们都去睡了，完全不担心我们，他们以为我们干什么去了？
《Downton Abbey Season 4》《唐顿庄园 第四季》
双语例句
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Teachers have expressed concern about the changes.
教师对这些变化表示忧虑。
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There is growing concern about violence on television.
人们对电视上充斥暴力内容的忧虑日益加重。
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There is a concern about replenishment of the population.
有人担心人口的补充问题。
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A number of parents have voiced concern about their children's safety.
一些家长对他们子女的安全表示了担心。