How to pronounce 疲勞 in Cantonese (2 out of 8):

怕會預先疲勞令背部肌肉好累
Fear of being exhausted in advance can make your back muscles fatigued.

Cantonese Sentence Breakdown

paa3
to be afraid
to fear
to dread
to be unable to endure
perhaps
apprehensive
wui6
a moment (Taiwan pr. for this sense is [huǐ])
metropolitan
gatherings union
to meet
to catch up
預先 jyu6 sin1
(prefix) Pre-
疲勞 pei4 lou4
fatigue
ling6
to order
to command
an order
warrant
writ
to cause
to make sth happen
virtuous
honorific title
season
government position
your esteemed
a polite way to address 'your' (especially when referring to one's family members such as parents or siblings)
a short tune(old)
背部 bui3 bou6
back
肌肉 gei1 juk6
(adjective) muscular
hou3
to like
to love
to be fond of
to be liable to
to be likely to
leoi6
tired
weary
to strain
to wear out
to work hard
to involve
to drag down
to spread (harm) to