How to pronounce 公安局 in Cantonese (2 out of 3):

公安局嗰部分
The part of the Public Security Agency.

Cantonese Sentence Breakdown

公安局 gung1 on1 guk6
public security bureau
嗰部 go2 bou6
that (used for referring to films, literature and machines) [colloquial]
fan6
fraction
extent of one's duty or rights
component
content
element
a portion
a share
exceptionally
status
capacity
excessive