How to pronounce 醒起 in Cantonese (4 out of 5):

(突然醒起)呀 唔好意思
(Suddenly waking up) Sorry.

Cantonese Sentence Breakdown

突然 dat6 jin4
out of the blue
醒起 sing2 hei2
to remember; to come to one's mind
haa1
(particle equivalent to 啊 after a vowel, expressing surprise or doubt)
唔好意思 m4 hou2 ji3 si3
(slang) to feel apologetic; excuse me; I'm sorry