How to pronounce 郵局 in Cantonese (2 out of 5):

郵局是 is 郵jau4 局guk6 (不好意思直接英文翻過來,郵局郵局這句有點怪=.=)
The post office is is, postjau 4, postguk 6.

Cantonese Sentence Breakdown

郵局 zeoi2 guk6
post office
si6
is
jau4
post (office)
mail
courier system
a surname
guk6
office
不好意思 bat1 hou2 ji3 si1
embarrassed
直接 zik6 zip3
direct
英文 jing1 man4
English
翻過來 faan1 gwo3 loi4
flip over
ze5
this
these
(commonly pr. [zhèi] before a classifier, esp. in Beijing)
the
here
now
then
gau1
stay
used in the name of an ancient Korean state
有點 jau5 dim2
a bit
gwaai3
weird