How to pronounce 知不知 in Cantonese (128 out of 132):

你 nei5

you (informal, as opposed to courteous 您nín [您])

can be used to refer to an unspecified person

知不知 ji1 bat1 ji1

know or not

最 zeoi3

most

the most

-est (superlative suffix)

exceedingly

extreme

重要 zung6 jiu3

important

是 si6

is

什麼 sam6 mo1

what

呀 haa1

(particle equivalent to 啊 after a vowel, expressing surprise or doubt)