hobbyhorse

Từ điển Oxford Learners Wordfinder Dictionary

noun

1. a topic to which one constantly reverts
- don't get him started on his hobbyhorse
• Hypernyms:
preoccupation
2. a child's plaything consisting of an imitation horse mounted on rockers;
the child straddles it and pretends to ride
• Syn:
hobby, rocking horse
• Hypernyms:
plaything, toy
• Part Meronyms:
rocker