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

但係食薯片會導致肥胖
But taking pills can lead to obesity.

Cantonese Sentence Breakdown

但係 daan6 hai6
(conjunction) but
zi6
to feed
薯片 syu4 pin2
potato chips
wui6
a moment (Taiwan pr. for this sense is [huǐ])
metropolitan
gatherings union
to meet
to catch up
導致 dou6 zi3
lead to
肥胖 fei4 pun3
obesity