How to pronounce 洋樓 in Cantonese (2 out of 3):

此後商界、政界、宗教界、歸國華僑等人士紛紛來此修建花園洋樓
And then the business, the political, the religious, the Chinese, and the Chinese came together to build the garden.

Cantonese Sentence Breakdown

此後 ci2 hau6
afterwards
商界 soeng1 gaai3
business sector
政界 zing3 gaai3
political circles
宗教 jung1 gaau3
religion
gaai3
boundary
scope
extent
circles
group
kingdom (taxonomy)
limit
domain
society
to demarcate
to delimit
to define
world
a territory
歸國 gwai1 gwok3
return to one's country
華僑 waa4 kiu4
overseas Chinese
ting2
sort
kind
type
人士 jan4 si6
(noun) (A formal word of) folks
紛紛 fan1 fan1
one after another
loi6
to greet and welcome guests
ci2
this
these
in this case
then
修建 sau1 gin3
(verb) (of construction) Fix (a building etc.)
花園 faa1 jyun2
(noun) 1. park; 2. yard
洋樓 joeng4 lau2
(n.) (a dated term) an apartment house or a building with a western style design.