ଅର୍ଥ : A topic to which one constantly reverts.
ଉଦାହରଣ :
Don't get him started on his hobbyhorse.
ଅର୍ଥ : A child's plaything consisting of an imitation horse mounted on rockers. The child straddles it and pretends to ride.
ସମକକ୍ଷ : hobby, rocking horse