昧水舂牆 [－－－墙]

Jyutping mei6 seoi2 zung1 coeng4
Pinyin mèi shuǐ chōng qiáng

Definitions (CC-CANTO)
  1. to dive under water hitting walls, to describe someone is very determined, going through hurdles and hardships
Definitions (粵典–words.hk)
  1. 動詞
    字面​意思​為​潛入​水中​，​頭撞​牆​；​引申​為​冒​極大​危險
    to take a huge risk; literally: to dive and bump onto the wall
    • 為咗朋友，我可以氼水舂牆。
      为咗朋友，我可以氼水舂墙。
      wai6 zo2 pang4 jau5, ngo5 ho2 ji5 mei6 seoi2 zung1 coeng4.
      I can take any risk for my friends.
  2. 近義詞
    赴湯蹈火
  3. 參看
    氼水舂牆