Examples:

• But what has been submitted to us is neither fish nor fowl.
• I agree with the previous speaker that OLAF is neither fish nor fowl and it takes a characteristically arbitrary approach.
• We were sorry that the REX Committee watered down our amendment to the point where it was neither fish nor fowl.
• Trying to reduce everything to a common denominator will complicate things greatly and dilute the matter, and the result will be neither fish nor fowl.