不安 (bù ān) means “unpeaceful; unstable; uneasy; disturbed; restless; worried”. It is an HSK 5 Chinese word in the HSK 3.0 vocabulary.
听到这个消息后,她感到很不安,担心会出问题。
Tīngdào zhège xiāoxi hòu, tā gǎndào hěn bù'ān, dānxīn huì chū wèntí.
After hearing this news, she felt very uneasy and worried that something would go wrong.
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