我哋係蠢歸哥哥姐姐
We were stupid to our brothers and sisters.

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
蠢 ceon2
stupid
歸 kwai3
an alternative form for 愧, ashamed
哥哥 go1 go1
(celebrity) The nickname of Leslie Cheung who was a singer, actor and film producer in Hong Kong
姐姐 ze2 ze2
(noun) general term of young lady