Fly on the Wall 🪰 | English Idiom #short #shortsfeed #shortvideo #shorts #learnenglish #english

“Fly on the wall” means observing something secretly without being noticed. Learn this common English idiom with an easy explanation. #FlyOnTheWall #EnglishIdioms #LearnEnglish #EnglishShorts #Vocabulary #SpokenEnglish #ytshorts #englishgrammar #grammarlecture #english #englishteacher #shortsfeed #shorts #shortsfeeds #viral