How to pronounce 沉底 in Cantonese (3 out of 5):

然後心口要沉底
And then you're going to sink.

Cantonese Sentence Breakdown

然後 jin4 hau6
then
心口 hung1 hau2
chest
jiu3
important
vital
to want
to ask for
will
going to (as future auxiliary)
may
must
(used in a comparison) must be
probably
if
essential points
necessary
necessity
to desire
to need
should
沉底 zam6 dai2
(verb) sink to the bottom; sunken