How to pronounce 用以 in Cantonese (5 out of 7):

用以對抗 Facebook & Twitter 等等
It's used against Facebook and Twitter and so on.

Cantonese Sentence Breakdown

hai6
(Cantonese) to be
to connect
to relate to
to tie up
to bind
to be (literary)
to involve
relation
relationship
consequence
yes
indeed
right
用以 yung6 yi5
to use
對抗 deoi3 kong3
to resist
等等 dang2 dang2
etc.