你係咪想我係
You think I am?

Cantonese Sentence Breakdown

nei5
you (informal, as opposed to courteous 您nín [您])
can be used to refer to an unspecified person
係咪 hai6 mai6
used in asking questions in conversations, similar to saying "is it ….?"; "Isn't it?"
"Yes or no?"
soeng2
to think
to believe
to suppose
to wish
to want
to miss (feel wistful about the absence of sb or sth)
to plan
ngo5
I
me
my
us
we
our
self
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