kappa; mythical water-dwelling creature; excellent swimmer; cucumber; cucumber sushi wrapped in nori (seaweed)
something easy to do; cinch
something easy to do; cinch; (lit.) a kappa's fart
anyone can make a mistake; even Homer sometimes nods
a fish out of water; (lit.) a kappa up on land
cucumber sushi wrapped in nori (seaweed); cucumber makizushi
something that looks difficult but actually isn't; swimming in a cold lake during mid-winter seems difficult, but it's nothing to a kappa