A different kettle of fish

Pro Tip 1/3

Idiomatic Nuance

This phrase implies contrast, usually more than just a simple difference, and often suggests a situation is unique or unusual.

If you can drive a car, riding a motorcycle will be a different kettle of fish.

Pro Tip 2/3

Cultural Origin

This idiom is of British origin, so it might be more recognized and understood in UK English than in other varieties of English.

Backpacking through Europe is quite a different kettle of fish than a guided tour.

Pro Tip 3/3

Avoid Literality

The phrase doesn't relate to fish or kettles; understand it's a figurative expression for saying something is different.

Trading stocks is a different kettle of fish from saving money in a bank.