How to pronounce 乜鬼 in Cantonese (4 out of 9):

講緊唔知飛龍 定係唔知乜鬼
I don't know if I can fly or not.

Cantonese Sentence Breakdown

講緊 gong2 gan2
talking about
唔知 m4 zi1
don't know (spoken)
飛龍 fei1 lung4
dragon
定係 ding6 hai6
(conjunction) or
乜鬼 mat1 gwai2
"what the hell?"; an intense way of asking "what"