昧水舂牆 (mei6 seoi2 zung1 coeng4) — to dive under water hitting walls, to describe someone is very determined, going through hurdles and hardships in Cantonese
meiˍ₆昧seoiˊ²水zungˉ¹舂coengˎ₄牆简 昧水舂墙
Mandarin Pinyin: mei4 shui3 chong1 qiang2
Meaning of 昧水舂牆
nounto dive under water hitting walls, to describe someone is very determined, going through hurdles and hardships