How to pronounce 人死 in Cantonese (8 out of 9):

哇hi 原來全世界最多人死嘅原因
And it's the most common cause of death in the world.

Cantonese Sentence Breakdown

waa1
replaces 啊a [啊] when following the vowel "u" or "ao"
the sound of crying or vomiting
原來 yun4 loi4
originally
全世界 cyun4 sai3 gaai3
whole world
最多 zeoi3 do1
maximum
at most
人死 jan4 sei2
death of a person
koi3
indignant
generous
to sigh (with emotion)
原因 jyun4 jan1
reason