How to pronounce 務必 in Cantonese (3 out of 4):

務必搵到佢嘅犯罪證據
I had to find evidence of his crimes.

Cantonese Sentence Breakdown

務必 mou6 bit1
be sure to
搵到 wan2 dou2
found
heoi5
he
she
it (Cantonese)
Mandarin equivalent: 他tā [他]
koi3
indignant
generous
to sigh (with emotion)
犯罪 faan6 zeoi6
crime
證據 zing3 geoi3
evidence