it means something your good at or enjoy
a hobby
I suppose you mean Itachi... he doesn't exactly have a hobby, but he thinks about his brother Sasuke A LOT.
A common interest/ hobby
If you mean interior design, then yes.
If you "pick up" a hobby, you start doing whatever it is, such as crochet or painting.
it means to be having fun on what you do best
his favorite hobby is
What is your hobby/hobbies.
Flankokupo means "hobby" in Esperanto.
I suppose you mean : quel est ton passe temps préféré ?It means: what is your favorite hobby?
Yes collecting money is a hobby. I mean stores collect money, the government collects money, i mean all the important thing in this world collect money so it wouldn't make sense if collecting money wasnt a hobby
He uses the word hobby, and he means that their job is not their hobby