How to pronounce 伸展 in Cantonese (6 out of 7):

好多人做背部伸展的時候
And when most people do that, they do that.

Cantonese Sentence Breakdown

好多 hou2 do1
a lot
jan4
man
person
people M: 个gè [个]
位wèi [位]
mankind
someone else
zou6
to do
to make
to produce
to write
to compose
to act as
to engage in
to hold (a party)
to be
to become
to function (in some capacity)
to serve as
to be used for
to form (a bond or relationship)
to pretend
to feign
to act a part
to put on appearance
to fight
to kill
to trick
to have sex
背部 bui3 bou6
back
伸展 san1 zin2
to stretch or extend
dik1
of
~'s (possessive particle)
(used after an attribute)
(used to form a nominal expression)
(used at the end of a declarative sentence for emphasis)
truly
really
indeed
target
to lift up
few
small
to fetch
to move
to get
to pick up
to force
時候 si4 hau6
time