"false note" in Chinese (Simplified)
走音不合适的言行（比喻）
Definition
“走音”字面意思是演奏错的音符，比喻说不合适的话或做不合适的事，让场合变得尴尬或不协调。
Usage Notes (Chinese (Simplified))
可用于音乐（字面意义）或形容说错话/做错事（比喻）。常用于描述某句话或举动让气氛变得尴尬。与“撒谎”无关。
Examples
The piano player accidentally hit a false note during the song.
钢琴师在演奏时不小心弹了一个**走音**。
That joke struck a false note at the meeting.
那个玩笑在会议上制造了**不合适的言行**。
Her angry response was a false note in an otherwise joyful party.
她生气的回应让本来欢乐的派对有了**不合适的言行**。
He gave a beautiful speech, but the last sentence was a false note.
他的演讲本来很精彩，最后一句却**走音**了。
The decorations were perfect, but the bright neon sign was a false note in the classy restaurant.
装饰非常完美，但这个明亮的霓虹灯在高档餐厅里成了**不合适的言行**。
Everything went smoothly until he made a comment that hit a false note with the audience.
一切很顺利，直到他说了一句让观众觉得是**不合适的言行**的话。