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

門樓入面有一個300幾平方米嘅院
There's a 300-square-meter yard in the lobby.

Cantonese Sentence Breakdown

mun4
gate
door M: 扇shàn [扇]
gateway
doorway M: 个gè [个]
opening
valve
switch
way to do something
knack
family
house
(religious) sect
school (of thought)
class
category
phylum or division (taxonomy)
classifier for large guns
classifier for lessons, subjects, branches of technology
(suffix) -gate (i.e. scandal; derived from Watergate)
clan
gang
key
turning point
a surname
KangXi radical 169
lau2
house with more than 1 story
storied building
floor M: 层céng [层]
座zuò [座]
栋dòng [栋]
flat
apartment
a surname
入面 jap6 min6
inside
jau6
also
again
一個 jat1 go3
a; one
gei2
how much
how many
several
a few
quite
shortly thereafter
平方米 ping4 fong1 mai5
square meter
koi3
indignant
generous
to sigh (with emotion)
jyun6
courtyard
institution M: 个gè [个]
yard
court
college
hospital
designation for certain government offices and public places