我想問投訴既英文係咩?

complain

投訴=complain (v.t)

complain
同義:
grumble
squawk
find fault
mutter
charge
carp
rail
clamor
moan
object
gripe
grouch

to complain

投訴既英文係complain
例句:Neighour complained to the police about the dogs barking.
(中文解釋:鄰居因為狗吠聲擾民向警察投訴)

You can say "Complain"(verb) OR "Complaint"(noun)~
e.g."a letter of complaint" but not "complain letter"~This is a quite common mistake!~

投訴既英文係complain`

complain　－　動詞
complaint　－　名詞

希望幫到你．

complain - verb

complaint - noun

complain : )