Related topics: Television & radio
ˌfly-on-the-ˈwall adjectiveadj [only before noun] AMTWATCHa fly-on-the-wall television programme shows people’s daily lives in a very natural way, because they forget that they are being filmed 〔电视节目〕秘密实拍的,隐秘拍摄的 → be a fly on the wall at fly2(6)