How to pronounce 要不然 in Cantonese (3 out of 6):

要不然没有座位就麻烦了
Otherwise, you're in trouble for not having a seat.

Cantonese Sentence Breakdown

要不然 jiu3 bat1 jin4
otherwise
mou5
not
jau6
also
again
座位 zo6 wai6
seat
zau6
at once
right away
only
just (emphasis)
as early as
already
as soon as
then
in that case
as many as
even if
to approach
to move towards
to undertake
to engage in
to suffer
subjected to
to accomplish
to take advantage of
to go with (of foods)
with regard to
concerning
to yield oneself to
to compromise
will do
no other
to let
allow something be a certain way
according to
supposing
either…or
exactly
precisely
definitely
to accommodate
has
have been
to give in
maa4
hemp
faan4
Annoyed
liu4
(modal particle intensifying preceding clause)
(completed action marker)
to finish
to end
to settle
a final particle indicating change of situation to understand
a verb particle indicating possibility
to put in
to take away
to escape
flee in secret