我係咪呢度等你呀？
Am I waiting for you here?

Cantonese Sentence Breakdown

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?"
呢度 ni1 dou6
(prep.) here.
等 ting2
sort
kind
type
你 nei5
you (informal, as opposed to courteous 您nín [您])
can be used to refer to an unspecified person
呀 haa1
(particle equivalent to 啊 after a vowel, expressing surprise or doubt)