1.
even experts make mistakes; even a master can fail; even Homer nods
A proverb meaning that even someone highly skilled can occasionally fail at their own specialty. Literally, 'even a kappa gets swept down the river' — the kappa being a water sprite famed as an expert swimmer.
A well-known proverb. The 河童 is a legendary water creature said to be an expert swimmer, so for even a kappa to be swept away by the current vividly conveys that anyone, however skilled, can fail at their own forte.
Usage
Used to comment on a surprising failure by an expert, often sympathetically. It can also serve as a gentle, self-deprecating excuse for one's own slip.
Similar proverbs
Related Words
See also:
弘法も筆の誤り (synonymous proverb)