How to pronounce 伸展 in Cantonese (5 out of 7):

好多人會覺得背部伸展只是下背
Many people think that stretching their backs is just the back.

Cantonese Sentence Breakdown

好多 hou2 do1
a lot
jan4
man
person
people M: 个gè [个]
位wèi [位]
mankind
someone else
wui6
a moment (Taiwan pr. for this sense is [huǐ])
metropolitan
gatherings union
to meet
to catch up
覺得 gok3 dak1
think
背部 bui3 bou6
back
伸展 san1 zin2
to stretch or extend
只是 zi2 si6
just
haa6
down
downwards
below, under, underneath
lower
later
next (week etc)
second (of two parts)
to decline
to go down
to arrive at (a decision, conclusion etc)
inferior
bui6
to learn by heart
to recite from memory
unlucky (slang)
hard of hearing
out of date
unfashionable
ignorant
remote