How to pronounce 講大話 in Cantonese (3 out of 9):

我要睇下你有冇講大話
I'm going to see if you're lying.

Cantonese Sentence Breakdown

ngo5
I
me
my
us
we
our
self
要睇 jiu3 tai2
Need to see
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
nei5
you (informal, as opposed to courteous 您nín [您])
can be used to refer to an unspecified person
有冇 jau5 mou5
often used when asking questions, such as "yes or no?" or "really or not?"; 'is there?'; 'are there?'
講大話 gong2 daai6 waa6
(verb) to lie; to fib