| 飛ぶ鳥跡を濁さず | [とぶとりあとをにごさず, tobutoriatowonigosazu] (exp) (See 跡を濁す・あとをにごす, 立つ鳥跡を濁さず) it is simply common courtesy to clean up after yourself; a bird does not foul the nest it is about to leave; on leaving a place one should see that all is in good order [Add to Longdo] |