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

佢地係做手機方面
They're in the mobile business.

Cantonese Sentence Breakdown

heoi5
he
she
it (Cantonese)
Mandarin equivalent: 他tā [他]
deng6
-ly
structural particle: used before a verb or adjective, linking it to preceding modifying adverbial adjunct
earth
soil
ground
region
the base of the coffin
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
做手 zou6 sau2
give a hand
gei1
machine
engine
opportunity
intention
aircraft
pivot
crucial point
flexible (quick-witted)
organic M: 台tái [台]
witty
handphone
方面 fong1 min6
sector
angle; perspective