This is of more than amateur interest.

Oddly enough, none of this appears to have dampened amateur interest in scaling Everest.

I know very little about biochemistry, aside from a passing amateur interest and what some of my brother's friends tell me.

Yet you suggest that you are meeting with us merely to pursue an amateur interest in your avocation.

The 33-year-old tennis star is taking his amateur interest in art-collecting and dabbling in painting into the professional realm.

Of necessity, I began to take an amateur interest in pharmacology.

The professionals, in theory, appreciate such amateur interest.

There has been growing amateur interest in little football or "futbolin" among teens and adults.

A strong athlete he turned his amateur interest in games into his medical speciality, treating athletic injuries.