ˌfly-on-the-ˈwall BrE AmE adjective [only before noun]
a fly-on-the-wall television programme shows people’s daily lives in a very natural way, because they forget that they are being filmed ⇨ be a fly on the wall at ↑ fly 3 (6)
ˌfly-on-the-ˈwall BrE AmE adjective [only before noun]
a fly-on-the-wall television programme shows people’s daily lives in a very natural way, because they forget that they are being filmed ⇨ be a fly on the wall at ↑ fly 3 (6)
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012