咁我哋係打開嚟先
So let's start with that.

Cantonese Sentence Breakdown

咁 gam3
so (Cantonese)
Mandarin equivalent: 这样zhèyàng [这样], like this
我哋 ngo5 dei6
(pronoun) we; us
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
打開 daa2 hoi1
open
嚟 lei4
used in transliteration
to come
used as a final particle to add emphasis
先 sin3
early
prior
former
in advance
first
for now
ancestor
pioneering
only then