補習天王 (bou2 zaap6 tin1 wong4) — someone who is very successful in running a tutorial school [written and colloquial] in Cantonese
bouˊ²補zaapˍ₆習tinˉ¹天wongˎ₄王简 补习天王
Mandarin Pinyin: bu3xi2 tian1wang2
Meaning of 補習天王
nounsomeone who is very successful in running a tutorial school [written and colloquial]