黑道大鱷 (hak1 dou6 daai6 ngok6) — someone who is well known to have a lot of power and authority in the underworld [colloquial] in Cantonese
hakˉ¹黑douˍ₆道daaiˍ₆大ngokˍ₆鱷简 黑道大鳄
Mandarin Pinyin: hei1dao4 da4e4
Meaning of 黑道大鱷
nounsomeone who is well known to have a lot of power and authority in the underworld [colloquial]