How to pronounce 邊界 in Cantonese (8 out of 9):

差唔多去到香港水域嘅邊界
It's almost to the waterline of Hong Kong.

Cantonese Sentence Breakdown

差唔多 caa1 m4 do1
(adverb) nearly; almost (差不多)
去到 heoi3 dou3
reach
香港 hoeng1 gong2
Hong Kong
水域 seoi2 wik6
water area
koi3
indignant
generous
to sigh (with emotion)
邊界 bin1 gaai3
border