[kettle of fish] {v. phr.}, {informal} Something to be considered; how things are; a happening; business.
* /I thought he needed money, but it was another kettle of fish — his car had disappeared./
- Usually used with "pretty", "fine", "nice", but meaning bad trouble.
* /He had two flat tires and no spare on a country road at night, which was certainly a pretty kettle of fish./* /This is a fine kettle of fish! I forgot my book./
Compare: CUP OP TEA(2).