海底撈月 (hoi2 dai2 laau4 jyut6) — winning with the last tile of the wall in Cantonese
hoiˊ²海daiˊ²底laauˎ₄撈jyutˍ₆月简 海底捞月
Mandarin Pinyin: hai3 di3 lao1 yue4
Meaning of 海底撈月
nounwinning with the last tile of the wall
nounstrive for the impossible/illusory
nounfishing for the moon from the bottom of the sea