扻頭埋牆 (ham2 tau2 maai4 coeng4) — a bad idea to be suggested as an alternative to let out frustrations (lit., "hit one's head against the wall") in Cantonese
hamˊ²扻tauˊ²頭maaiˎ₄埋coengˎ₄牆简 扻头埋墙
Mandarin Pinyin: zhi4 tou2 mai2 qiang2
Meaning of 扻頭埋牆
nouna bad idea to be suggested as an alternative to let out frustrations (lit., "hit one's head against the wall")
nounto hit one's head against the wall, to punish, degrade oneself