目前局勢動盪，市民們感到憂心忡忡。
The current situation is turbulent, and citizens are deeply worried.
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Example sentences
看到孩子生病，父母感到憂心忡忡。
看到孩子生病，父母感到忧心忡忡。
Seeing their child sick, the parents felt very worried.
Usage Notes
A formal four-character idiom (chengyu) describing an extreme state of worry.
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