mis-
prefix uk/mɪs-/ us/mɪs-/
（用于动词，或由动词衍生出来的词前）错误地，不良地
added to the beginning of a verb or word formed from a verb, to show that the action referred to by the verb has been done wrongly or badly
I never said that! You must have misheard me. 我从没说过那样的话！你一定是听错了。
His misbehaviour eventually led to him being expelled from school. 他的不良行为最终导致他被学校开除。