How to pronounce 死晒 in Cantonese (4 out of 5):

全部都死晒
They're all dead.

Cantonese Sentence Breakdown

全部 cyun4 bou6
(determiner) all of
dou1
all
both
entirely
(used for emphasis) even
already
(not) at all
metropolis
capital
big city
the whole
elegant
refined
without exception
also
too
still
used in a sentence to add an inference or interrogative tone
死晒 bai2 saai3
die