very fun
Skiing is great fun.
Apprendre le français est très amusant.
Learning French is a lot of fun.
This game is very fun.
It was a lot of fun.
It wasn't much fun.
C'est très amusant de faire rire les gens lorsqu'on donne une conférence.
It's a lot of fun to make people laugh when giving a talk.
Très amusant, très curieux, votre roman.
Your novel is very entertaining, very curious.
It will be a lot of fun.