Definition of a different kettle of fish in English:

a different kettle of fish

phrase

informal
  • A completely different type of person or thing from the one previously mentioned:

    ‘he's certainly a different kettle of fish from old Rowell’
    • ‘A business PC is a different kettle of fish, and many will be surprised to find that a standard 20GB drive is generous enough for the majority of users.’
    • ‘I had netting up to stop herons getting in but the otter is a different kettle of fish and has got through the netting.’
    • ‘When it comes to larger mills with decent internal sorting capacities, or multi-mill operations, log sorting is a different kettle of fish.’
    • ‘We cannot forget what happened 50 years ago, but things are now a different kettle of fish.’
    • ‘While Gershwin, Porter and Berlin are as famous as the songs they wrote, Arlen is a different kettle of fish.’
    • ‘But in France - the grape's homeland - Pinot Gris is made into a wine that's altogether a different kettle of fish.’
    • ‘Going all the way and winning the title is of course a different kettle of fish and a challenge I would suspect that is beyond them for a while yet.’
    • ‘To have an estate worth a million dollars is nowadays not too difficult to achieve with fixed assets and enough life assurance, but to be a living cash millionaire is a different kettle of fish for most of us.’
    • ‘What's increasingly apparent, too, is that Penn the director is a different kettle of fish to Penn the actor.’
    • ‘This weblog with its proud archives is quite a different kettle of fish and a new experience for me socially.’