How to pronounce 智障 in Cantonese (4 out of 6):

你是要裝智障
You have to have a mental disability.

Cantonese Sentence Breakdown

nei5
you (informal, as opposed to courteous 您nín [您])
can be used to refer to an unspecified person
si6
is
要裝 yiu3 jong1
need to install
智障 ji3 jeung6
intellectual disability