off-key
🇺🇸
/ˌɔːf ˈkiː/
🇬🇧
/ˌɒf ˈkiː/
Sounding not quite right, as if the pitch is incorrect.
When the choir sang the song, one voice was off-key, making everything sound weird.
合唱団が歌を歌った時、一つの声が合っていなくて、すべてが奇妙な音をしていた。
Not appropriate or fitting for a particular situation.
His joke was off-key during the serious meeting, making it awkward.
彼は真剣な会議中に不適切なジョークを言って、気分を不快にさせた。