相关单词同义词observer, viewer, 近义词 spectator 观众, observer 观察者, onlooker 旁观者, witness 目击者, viewer 观看者, security guard 安全警卫, watchman 看守人, looker 观看的人临近词watchful, watchdog相似词watch your step idiom 1, watchable, watchband, watchdog, watchful, watchful waiting, watchman, watchstrap, 返回 watcher