How to pronounce 雙腿 in Cantonese (5 out of 6):

雙腿就慢慢走去後面
Both legs move backwards.

Cantonese Sentence Breakdown

雙腿 soeng1 teoi5
legs
zau6
at once
right away
only
just (emphasis)
as early as
already
as soon as
then
in that case
as many as
even if
to approach
to move towards
to undertake
to engage in
to suffer
subjected to
to accomplish
to take advantage of
to go with (of foods)
with regard to
concerning
to yield oneself to
to compromise
will do
no other
to let
allow something be a certain way
according to
supposing
either…or
exactly
precisely
definitely
to accommodate
has
have been
to give in
慢慢 maan6 maan2
(verb) Take someone's time
走去 zau2 heoi3
Go away
後面 hau6 min6
behind