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

行Donki都要記得買手信俾主子
Donki, remember to buy a letter to your master.

Cantonese Sentence Breakdown

hong6
strong
dou1
all
both
entirely
(used for emphasis) even
already
(not) at all
metropolis
capital
big city
the whole
elegant
refined
without exception
also
too
still
used in a sentence to add an inference or interrogative tone
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
記得 gei3 dak1
remember
買手 maai5 sau2
buyer
seon3
letter
mail M: 封fēng [封]
to trust
to believe
to profess faith in
truthful
confidence
trust
at will
at random
pai3
a parapet
to look askance
主子 zyu2 zi2
master(zhu zai)
haa1
(particle equivalent to 啊 after a vowel, expressing surprise or doubt)