someone who acts in a sly and secret mannersuddenly, the mysterious lurker leapt out into the light!
suddenly, the mysterious lurker leapt out into the light!
skulk, skulker, slyboots, sneak, sneaker
skunk, snake, weaselsharper, sharpie(or sharpy), slicker, swindlersnoop, snooper, spystalker
英语同义词词典收录了63618条英语词条，基本涵盖了全部常用同义词或反义词的辨析及翻译，是英语学习的有利工具。