How to pronounce 同歸於盡 in Cantonese (2 out of 5):

不然會跟三名子女同歸於盡
Otherwise, you'll end up with three kids.

Cantonese Sentence Breakdown

不然 bat1 jin4
otherwise
wui6
a moment (Taiwan pr. for this sense is [huǐ])
metropolitan
gatherings union
to meet
to catch up
gan1
heel
to follow closely
to go with
to marry sb (of woman)
with
towards
as (compared to)
from (different from)
and (in addition to)
to accompany
to be loyal to
for a woman to be in a relationship with someone
to follow a big brother in a triad gang
saam3
multiple times; repeatedly
ming4
name
noun (part of speech)
place (e.g. among winners)
famous
classifier for people
rank
title
position
fame
reputation
子女 zi2 neoi5
(noun) Offspring
同歸於盡 tung4 gwai1 jyu1 jeon6
perish together