gum.shoe
n.(名词)A sneaker or rubber overshoe.旅游鞋,胶鞋:胶底轻便运动鞋或橡皮套鞋Slang An investigator, especially a detective.【俚语】 密探:一个调查者,尤指侦探v.intr.(不及物动词)gum.shoed,gum.shoe.ing,gum.shoes 【俚语】 To work as a detective.当密探:从事侦探的工作To move about stealthily; sneak.悄无声息地走:偷偷地活动;潜行