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

咁記住買機票嘅時候⋯你留意下行程需唔需要啦
So remember, when you buy a plane ticket, you don't have to pay attention to the next trip.

Cantonese Sentence Breakdown

gam3
so (Cantonese)
Mandarin equivalent: 这样zhèyàng [这样], like this
記住 gei3 zyu6
remember
買機 maai5 gei1
Buy a machine
piu3
ticket
ballot
bank note M: 张zhāng [张]
person held for ransom
amateur performance of Chinese opera
classifier for groups, batches, business transactions
warrant
certificate
cheque
an official printed slip
the vote
a business deal
slip of paper or bamboo
invoice
stamp
koi3
indignant
generous
to sigh (with emotion)
時候 si4 hau6
time
nei5
you (informal, as opposed to courteous 您nín [您])
can be used to refer to an unspecified person
留意 lau4 ji3
(verb) 1. To mind; 2. Be caution
下行 haa6 hang4
downward direction
cing4
rule
order
regulations
formula
journey
procedure
sequence
trip
schedule
agenda
form
pattern
extent
course
to measure
to assess
distance
a surname
seoi1
(noun) Demand
ng4
oh (expression of agreement or surprise)
(Cantonese) not
to hold in mouth
to bite
需要 seoi1 jiu3
need
la5
“now”, with an connotation of doubt
surprise
disapproval