ウオココロアレバミズココロアリ
Meanings
Expression
Proverb
1. if you do a favor for somebody, you will get a return favor; (lit.) if a fish is friendly toward water, water will be kind to the fish too; you scratch my back and I'll scratch yours
Composed of
fish
mind; heart; spirit; the meaning of a phrase (riddle, etc.)
water (esp. cool, fresh water, e.g. drinking water); fluid (esp. in an animal tissue); liquid; flood; floodwaters