我哋係落去嗰一刻
We're at that moment.

Cantonese Sentence Breakdown

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
落去 lok6 heoi3
go down (spoken)
嗰 go3
that
those (Cantonese)
Mandarin equivalent: 那nà [那]
一刻 jat1 haak1
A moment;A quarter