conceal one’s identity;hide from public notice; lie low ❍ 若夫暗藏之汪精卫，则招摇过市，窃据要津；～，深入社会。(《毛泽东选集》680)The undercover Wang Jingweis are either craftily seizing key posts and swaggering about,or working obscurely and worming their way into all walks of life.
匿影藏形nì yǐnɡ cánɡ xínɡ
隐藏自己的身份。lie low, conceal one’s identity, hide from public notice