How to pronounce 留心 in Cantonese (4 out of 5):

留心聽下啦
Listen to this.

Cantonese Sentence Breakdown

留心 lau4 sam1
pay attention
teng1
to let
to allow
to submit
to administer
haa6
down
downwards
below, under, underneath
lower
later
next (week etc)
second (of two parts)
to decline
to go down
to arrive at (a decision, conclusion etc)
inferior
la5
“now”, with an connotation of doubt
surprise
disapproval