You say trick or treat when you arrive at a house on Halloween so the owner will give you candy and you won't have to play a trick on them. You say thank you when they give you candy because it is good manners.
TRICK OR TREAT, mon
knock on someones door and say trick or treat
if you dont get a treat you do a trick on the one that didnt give you a treat
In the USA it's generally just that, "Trick-or-Treat".
just say trick or treat in a nice way
Trick or treat!
Trick or treat in French is friandises ou bêtises.
Nous sommes allés trick or treat
I will knock on peoples doors and say " Trick or Treat ". We receive candy! =) What a fun way to get candy.
Hermione never says trick or treat in either the books or movies.
Aloha
je l