How to pronounce 半月 in Cantonese (5 out of 6):

O又係一個圓形嘅字母,又要用半月型。
O is a round letter, and it's a crescent shape.

Cantonese Sentence Breakdown

jau6
(once) again
also
both... and...
and yet
(used for emphasis) anyway
and (used in the context when talking about fractions)
in adddition
hai6
(Cantonese) to be
to connect
to relate to
to tie up
to bind
to be (literary)
to involve
relation
relationship
consequence
yes
indeed
right
一個 jat1 go3
a; one
圓形 jyun4 jing4
circle
koi3
indignant
generous
to sigh (with emotion)
字母 zi6 mou5
alphabet
又要 jau6 jiu3
also want or need
jung6
to use
to employ
to have to
to eat or drink
expense or outlay
usefulness
hence
therefore
to apply
to operate
function
to spend
to make use
to serve as
to eat
to drink
with
to need
to exert
effect
with this
半月 bun3 jyut6
half a month
jing4
model
type (e.g. blood type)
pattern
mold for casting
stylish
fashionable
smart
good-looking
cool