How to pronounce 發燒 in Cantonese (2 out of 3):

他未必會發燒
He doesn't have to get a fever.

Cantonese Sentence Breakdown

to1
he or him
(used for either sex when the sex is unknown or unimportant)
(used before sb's name for emphasis)
(used as a meaningless mock object)
other
another
未必 mei6 bit1
not necessarily
wui6
a moment (Taiwan pr. for this sense is [huǐ])
metropolitan
gatherings union
to meet
to catch up
發燒 faat3 siu1
have a fever