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

難保他日香港政府不借此壓制反對意見
It's hard to guarantee that Hong Kong's government won't use this to suppress opposition.

Cantonese Sentence Breakdown

難保 naan4 bou2
cannot guarantee
他日 taa1 jat6
another day in the future
香港 hoeng1 gong2
Hong Kong
政府 zing3 fu2
government
fau2
same as否 (dated used in old text only), not
no
negative prefix
a final particle
ze3
to lend
to borrow
by means of
to take (an opportunity)
to make use of
ci2
this
these
in this case
then
壓制 aat3 zai3
(verb) Curb
反對 faan2 doi3
oppose
意見 ji3 gin3
opinion