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

至少入到課室都會打個招呼
At least they'll be in the classroom and say hello.

Cantonese Sentence Breakdown

至少 zi3 siu2
at least
入到 jap6 dou3
enter, get inside
課室 fo3 sat1
classroom
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
wui6
a moment (Taiwan pr. for this sense is [huǐ])
metropolitan
gatherings union
to meet
to catch up
ding2
to take the lead
go3
individual
this
that
size
classifier for people or objects in general or an action
indicates approximation when placed before numbers and after a verb
adds emphasis when added before a complement used with a verb
size
height
one
possessive particle
ten thousand dollars
bucks
招呼 ziu1 fu1
(verb) 1. serve; 2. beckon