Значение идиомы sing a different tune

[sing a different tune] or [whistle a different tune] also [sing anew tune] {v. phr.}, {informal} To talk or act in the opposite way;contradict something said before.

Charles said that all smokersshould be expelled from the team but he sang a different tune afterthe coach caught him smoking.

Syn.: CHANGE ONE’S TUNE, DANCE TOANOTHER TUNE. Compare: LAUGH OUT OF THE OTHER SIDE OF ONE’S MOUTH.