How to pronounce 一回 in Cantonese (3 out of 4):

呢一個一來一回去cover返成條數
This one goes back and forth to cover the whole number.

Cantonese Sentence Breakdown

ni1
this
一個 jat1 go3
a; one
一來 yat1 loi4
once
一回 jat1 wui4
[measure word] one round, one time
heoi3
to go
to go to (a place)
to cause to go or send (sb)
(when used either before or after a verb) to go in order to do sth
to be apart from in space or time
(after a verb of motion indicates movement away from the speaker)
(used after certain verbs to indicate detachment or separation)
(of a time or an event etc) just passed or elapsed
faan1
to return (to)
to revert to
to restore
to go back
to come back
成條 sing4 tiu4
whole piece
sou3
number
figure
several M: 个gè [个]
fate
an amount of money
a debt