英语词汇fly on the wall怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	fly on the wall
释义	fly on the wall 不被察觉的观察者，没有看见的旁观者
随便看	signal hypothesis signaling signalings signal intelligence signal intensity signalisation signalisations signalise signalised signalities signality signalization signalizations signalize signalized signalizer signalizes signalizing signal lamp signal lantern signalled或signaled signaller signallers signal level signal levels

英汉双解词典包含483723条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。