How to pronounce 利是封 in Cantonese (8 out of 9):

买完利是封 这边我们已经走完了
And we're done with the interest rate.

Cantonese Sentence Breakdown

maai5
buy
jyun4
to finish
to be over
whole
complete
entire
to run out
a surname
利是封 lei6 si6 fung1
a red envelope with money inside, given by an elder to a younger person (a traditional Chinese New Year custom practice)
ze2
this
bin1
side
ngo5
I
me
my
us
we
our
self
men2
plural suffix for pronouns
ji5
already
to stop
then
afterwards
only
too much
enough!
used as a final particle to add emphasis
ging1
pass through
zau2
to walk
to go
to run
to move (of vehicle)
to visit
to leave
to go away
to die (euph.)
from
through
away (in compound verbs, such as 撤走chèzǒu [撤走])
to change (shape, form, meaning)
to escape
to run away
to make a trip
to leak out
to incur loss
one's humble self
完了 yun4 liu5
finished