1. out of tune
That guitar sounds completely out of tune.
The concert didn't go well. They were playing out of tune.
Your violin sounds awfull!!! I think it's out of tune.
sing out of tune
I’d join a choir if I didn’t always sing out of tune!
英語 "という言葉fałszujący"(out of tune)集合で発生します。
New Matura Success Upper Intermediate, Unit 4