How to pronounce 開筆 in Cantonese (7 out of 8):

之後喺開筆呢度上面棟落嚟,
And then I just stood up on the pencil right here,

Cantonese Sentence Breakdown

之後 zi1 hau6
after
hai2
in
開筆 hoi1 bat1
to make the first stroke (in calligraphy or painting)
呢度 ni1 dou6
(prep.) here.
上面 soeng6 min6
(noun) Up stair; (figurative - old) 1. China
dung6
classifier for houses or buildings
ridgepole (old)
one thousand
落嚟 lok6 lai4
come down (spoken)