我係Alvin, 一個畢業於
I'm Alvin, a

Cantonese Sentence Breakdown

我 ngo5
I
me
my
us
we
our
self
係 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
畢業 bei6 jip6
graduate
於 wu1
(literary) Oh!
Ah!
a tiger (dated term)