How to pronounce 背闊肌 in Cantonese (6 out of 8):

引體上升只不過係鍛鍊背闊肌
So the lifting is just a way to work your back and your muscles.

Cantonese Sentence Breakdown

jan5
to seduce or tempt
tai2
body
form
style
system
group
entity
object
substance
上升 soeng5 sing1
rise
只不過 zi2 bat1 gwo1
merely
hai6
(Cantonese) to be
to connect
to relate to
to tie up
to bind
to be (literary)
to involve
relation
relationship
consequence
yes
indeed
right
鍛鍊 dyun3 lin6
to train; to refine; to forge; to workout
背闊肌 bui3 fut3 gei1
latissimus dorsi
gei3
already