đàn gảy tai trâu
/ʔɗaːn˨˩ ɣaj˧˩ taːj˧˧ t͡ɕəw˧˧/
VIETNAMCA → TR
Tanım
•talk to a brick wall (a situation where you say something to someone and they simply would not listen or pay attention)
Etimoloji
Probably a calque of Chinese 對牛彈琴 /对牛弹琴 (đối ngưu đàn cầm); literally "playing a musical instrument for a water buffalo"