loiter
verb [ I ] uk/ˈlɔɪ.tər/ us/ˈlɔɪ.t̬ɚ/
游荡，溜达，闲逛
to move slowly around or stand in a public place without an obvious reason
A gang of youths were loitering outside the cinema. 一帮小青年在电影院外面游荡。
走走停停，磨蹭，徘徊
to go slowly, stopping often
Come straight home and don't loiter, Alan. 艾伦，直接回家，不要在外面磨蹭。