Definition of as different as (or like) chalk and cheese in English:

as different as (or like) chalk and cheese

phrase

British
  • Fundamentally different or incompatible.

    ‘we'll never get on—we're like chalk and cheese’
    • ‘More than one friend has admitted that he can be a nightmare at times, but you can't take away his talent even though, in most respects, he and Robinson are as different as chalk and cheese.’
    • ‘Like Morecambe and Wise, Laurel and Hardy or even Starsky and Hutch, Sale's coaching duo of Jim Mallinder and Steve Diamond are as different as chalk and cheese.’
    • ‘But they are as different as chalk and cheese, both in appearance and otherwise: Walt is a ladies' man and an aspiring actor, while Bob is an unassuming athlete with terrible stage fright.’
    • ‘So I guess the locals are as different as chalk and cheese.’
    • ‘The scenarios are as different as chalk and cheese.’
    • ‘They are as different as chalk and cheese - the dapper Aussie and the typically gruff Yorkshireman.’
    • ‘Treats as different as chalk and cheese will feature on consecutive nights next week.’
    • ‘Whether this turns out to be true or not, in my opinion, hunting and fishing are as different as chalk and cheese so I stay out of an argument that does not involve me as a fisherman.’
    • ‘The pair were as different as chalk and cheese but between them they forged out 29 century opening stands - and Lumb would probably argue the number would have been much higher if his celebrated partner had not run him out so many times.’
    • ‘Second, it must not expect the public to distinguish between different types of nanotechnology, even if they are as different as chalk and cheese.’