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

同埋邀請設計師為屋仔嘅外牆設計架
And we invited designers to design the exterior walls for our kids.

Cantonese Sentence Breakdown

同埋 tung4 maai4
and; together with
邀請 jiu1 cing2
invite
設計師 cit3 gai3 si1
designer
wai6
because of
for
on account of
on behalf of
by (in the passive voice)
屋仔 uk1 zai2
small house
koi3
indignant
generous
to sigh (with emotion)
外牆 ngoi6 coeng4
exterior wall
設計 cit3 gai3
design
gaa3
to support
classifier for planes, large vehicles, radios etc
to prop up
fight
quarrel