How to pronounce 裝模作樣 in Cantonese (2 out of 3):

她在你背後裝模作樣
She's a model behind you.

Cantonese Sentence Breakdown

taa1
she
her
zoi6
(located) at
(to be) in
to exist
in the middle of doing sth
(indicating an action in progress)
to depend on
to rest with
to be alive
nei5
you (informal, as opposed to courteous 您nín [您])
can be used to refer to an unspecified person
背後 bui3 hau6
behind
裝模作樣 zong1 mou4 zok3 joeng6
pretend