one-trick pony
noun[C]
uk/ˌwʌn.trɪk ˈpəʊ.ni/us/ˌwʌn.trɪk ˈpoʊ.ni/informal
someone or something that is only good for oneparticularpurpose, or at doing oneparticularthing
仅能做好某一件事的人，只有单一用途的某物Particular and individual
- be the very thingidiom
- biomarker
- calling card
- capita
- certain
- especially
- head
- individual
- individualistically
- individuality
- individualized
- individually
- interindividual
- matter
- pet
- respectively
- separately
- severally
- specific
- specifically