How to pronounce 擴展 in Cantonese (8 out of 9):

它不僅僅是用來擴展現有的手機功能
It's not just about expanding the functionality of mobile phones.

Cantonese Sentence Breakdown

to1
it
other
used as a meaningless mock object
不僅僅 bat1 gan2 gan2
Not only
si6
is
用來 jung6 loi4
to use
擴展 kwong3 zin2
expand
現有 jin6 jau5
currently have
dik1
of
~'s (possessive particle)
(used after an attribute)
(used to form a nominal expression)
(used at the end of a declarative sentence for emphasis)
truly
really
indeed
target
to lift up
few
small
to fetch
to move
to get
to pick up
to force
手機 sau2 gei1
mobile phone
功能 gung1 nang4
function