How to pronounce 四點半 in Cantonese (2 out of 4):

會下晝四點半之前返返嚟就得㗎喇
He'll be back by 4:30 p.m.

Cantonese Sentence Breakdown

wui6
a moment (Taiwan pr. for this sense is [huǐ])
metropolitan
gatherings union
to meet
to catch up
下晝 haa6 zau3
(noun) p.m.; afternoon; (adverb) in the afternoon
四點半 sei3 dim2 bun3
four-thirty
之前 zi1 cin4
before
faan1
to return (to)
to revert to
to restore
to go back
to come back
返嚟 faan2 lai2
come back here (spoken)
zau6
at once
right away
only
just (emphasis)
as early as
already
as soon as
then
in that case
as many as
even if
to approach
to move towards
to undertake
to engage in
to suffer
subjected to
to accomplish
to take advantage of
to go with (of foods)
with regard to
concerning
to yield oneself to
to compromise
will do
no other
to let
allow something be a certain way
according to
supposing
either…or
exactly
precisely
definitely
to accommodate
has
have been
to give in
dak1
structural particle: used after a verb (or adjective as main verb), linking it to following phrase indicating effect, degree, possibility etc
to obtain
to acquire
to get
to gain
suit
proper
ready
finished
to be satisfied
to permit
to need to
to have gone as far as to
to have even done
can
gaa3/ gaa4
sentence-final particle, contraction of "嘅呀" (Cantonese), to express doubt
reservation
emphasis
disapproval
see also 嘅kài [嘅]
laa3
trumpet
loudspeaker'