অর্থ : A topic to which one constantly reverts.
উদাহরণ :
Don't get him started on his hobbyhorse.
অর্থ : A child's plaything consisting of an imitation horse mounted on rockers. The child straddles it and pretends to ride.
সমার্থক : hobby, rocking horse
Hobbyhorse meaning in Bengali (Bangla).