How to pronounce 作證 in Cantonese (2 out of 4):

要針對邊啲環節作證
You have to testify to which areas.

Cantonese Sentence Breakdown

jiu3
important
vital
to want
to ask for
will
going to (as future auxiliary)
may
must
(used in a comparison) must be
probably
if
essential points
necessary
necessity
to desire
to need
should
針對 zam1 deoi3
to target; to pick on
re-order
邊啲 bin1 di1
"which ones?"
環節 wun4 git3
link
作證 zok3 zing3
testify