哈哈 考我係唔係呀
Haha, are you testing me?"

Cantonese Sentence Breakdown

哈哈 haa1 haa1
haha
考 haau2
exam
我 ngo5
I
me
my
us
we
our
self
係唔係 hai6 m4 hai6
is it?
呀 haa1
(particle equivalent to 啊 after a vowel, expressing surprise or doubt)