How to pronounce 還債 in Cantonese (5 out of 6):

窮到冇錢還債嗰時
When they were in debt, they were in debt.

Cantonese Sentence Breakdown

kung4
exhausted
poor
destitute
improverished
having an end
having a limit
most
extremely
utterly
thoroughly
to pursue to the limit
despite poverty
exhaustively
to exhaust
in trouble
without any way out
dou3
to (a place)
until (a time)
up to
to go
to arrive
(verb complement denoting completion or result of an action)
been to
a particle used after a verb or adjective to indicate degree
extent
冇錢 mou5 cin2
no money
還債 waan4 zai3
repay debt
嗰時 go2 si4
at that time