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

J : 呢度就係你嘅龜背
J: This is your spine.

Cantonese Sentence Breakdown

呢度 ni1 dou6
(prep.) here.
就係 zau6 hai6
it is; exactly
nei5
you (informal, as opposed to courteous 您nín [您])
can be used to refer to an unspecified person
koi3
indignant
generous
to sigh (with emotion)
龜背 gwai1 bui3
a padded vest
sip3
a surname