How to pronounce 九唔搭八 in Cantonese (3 out of 4):

因為九唔搭八
Because nine is not eight.

Cantonese Sentence Breakdown

因為 jan1 wai6
due to
九唔搭八 gau2 m4 daap3 baat3
(slang) someone is completely illogical, ludicrous and nonsensical; irrelevant, off topic