咁做完我係咪有得食㗎
Do I have some after finish the ceremony?

Cantonese Sentence Breakdown

咁做 gam3 zou6
do so
完 jyun4
to finish
to be over
whole
complete
entire
to run out
a surname
我 ngo5
I
me
my
us
we
our
self
係咪 hai6 mai6
used in asking questions in conversations, similar to saying "is it ….?"; "Isn't it?"
"Yes or no?"
有得 jau5 dak1
has
食 zi6
to feed
㗎 gaa3/ gaa4
sentence-final particle, contraction of "嘅呀" (Cantonese), to express doubt
reservation
emphasis
disapproval
see also 嘅kài [嘅]