How to pronounce 幾廿 in Cantonese (3 out of 4):

明明之前幾廿個民調
I've had 20 polls before.

Cantonese Sentence Breakdown

明明 ming4 ming4
clearly
之前 zi1 cin4
before
幾廿 gei2 jaap6
several twenties
go3
individual
this
that
size
classifier for people or objects in general or an action
indicates approximation when placed before numbers and after a verb
adds emphasis when added before a complement used with a verb
size
height
one
possessive particle
ten thousand dollars
bucks
民調 man4 diu6
poll
survey