得 ㄉㄜ ˊ dé 鱼 ㄩ ˊ yú 忘 ㄨㄤ ˋ wàng 筌 ㄑㄩㄢ ˊ quán 得 ㄉㄜ ˊ dé 魚 ㄩ ˊ yú 忘 ㄨㄤ ˋ wàng 筌 ㄑㄩㄢ ˊ quán lit. catch fish then forget the trap (idiom, from Zhuangzi 莊子|庄子); fig. to take help for granted