lurk
verb uk/lɜːk/ us/lɝːk/
[ I usually + adv/prep ]（尤指为攻击某人或做坏事而）潜伏，隐蔽，悄悄移动
to wait or move in a secret way so that you cannot be seen, especially because you are about to attack someone or do something wrong
Someone was lurking in the shadows. 有人藏在黑影里。
Why are you lurking around in the hallway? 你干吗在走廊里鬼鬼祟祟的？
[ I usually + adv/prep ]（不好的感觉或特征）潜伏，潜藏
(of an unpleasant feeling or quality) to exist although it is not always noticeable
Danger lurks around every corner. 每个角落里都潜伏着危险。
It seems that old prejudices are still lurking beneath the surface. 在表象的背后似乎依然潜藏着旧有的偏见。
[ I ] internet & telecoms informal在（网上）聊天室里潜水;隐身进入（网上）聊天室
to spend time in a chat room or on a social media website and read what other people have posted (= written or added) without posting anything yourself