Someone or something that is abnormal is unusual, especially in a way that is worrying.
近义词
aberrant , deviant , irregular , unusual
双语例句
例： Nothing abnormal was detected.
未查到任何异常的情况。
例： abnormal heart rhythms and high anxiety levels.
异常的心律和高度焦虑。
例： a child with an abnormal fear of strangers.
一个对陌生人异常恐惧的孩子。