[得鱼忘筌 / 得魚忘筌, dé yú wàng quán, ㄉㄜˊ ㄩˊ ㄨㄤˋ ㄑㄩㄢˊ]lit. catch fish then forget the trap (成语 saw, from Zhuangzi 莊子|庄子); fig. to take help for granted#406845[Add to Longdo]
[しっぺがえし;しっぺいがえし(竹箆返し;竹篦返し), shippegaeshi ; shippeigaeshi ( take hera kaeshi ; take sukigushi kaeshi )](n) returning tit for tat; retaliating[Add to Longdo]