/mɒb ||; mɑb/noun [C] [with.sop] a large crowd of people that may become violent or cause trouble 乱民;暴民;乌合之众
mob²
/mɒb ||; mɑb/verb [T] (mobbing;mobbed) to form a large crowd around sb, for example in order to see or touch him/her 团团围住(如为了看到或接触某人): The band was mobbed by fans as they left the hotel.乐队离开酒店时被歌迷包围。