魚心あれば水心あり;魚心有れば水心有り [うおこころあればみずこころあり] /(exp) (id) (See 魚心あれば水心) if you do a favor for somebody, you will get a return favor/if a fish is friendly toward water, water will be kind to the fish too/you scratch my back and I'll scratch yours/EntL2416960X/ |