panic attack
noun [ C ] uk/ˈpæn.ɪk əˌtæk/ us/ˈpæn.ɪk əˌtæk/
（一阵突如其来的）惊慌失措，惶恐
a sudden period of severe anxiety in which your heart beats fast, you have trouble breathing, and you feel as if something very bad is going to happen
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