Was heißt »Liebhaberei« auf Englisch?

Das Substantiv Liebhaberei lässt sich wie folgt von Deutsch auf Englisch übersetzen:

Deutsch/Englische Beispielübersetzungen

Es fing als kleine Liebhaberei an.: It started as a hobby.
Du hättest für deine Liebhaberei nicht so viel Geld ausgeben sollen.: You ought not to have spent so much money on your hobby.

Tom's hobby is playing tennis, as most of his business partners play it.
Tom's hobby is cooking.
I'm too stupid to learn foreign languages. I'll find myself another hobby.
My hobby is drawing.
Languages are my hobby. What's yours?
Since taking up the hobby of rollerblading, Tom has lost four kilos.
Tom's hobby is collecting stamps.
Writing novels is her hobby.
Stamp collecting is her hobby.
You need a hobby of some sort.
You need some sort of hobby.
His only hobby is making airplane models.
Tom keeps bees as a hobby.
Tom does beekeeping as a hobby.
My hobby is my aquarium.
Hiking is a popular hobby.
Rambling is a popular hobby.
Whenever he comes round to speaking about his hobby, he always assumes a serious air.
Whenever he gets talking about his hobby, he always puts on a serious face.
Whenever he gets talking about his hobby, he always puts on a serious expression.