前功尽弃 Save Sign in to save words Traditional (Taiwan): 前功盡棄 qiángōngjìnqì ㄑㄧㄢˊ ㄍㄨㄥ ㄐㄧㄣˋ ㄑㄧˋ to waste all one's previous efforts (idiom) all that has been achieved goes down the drain Character by character 前(qián)front 功(gōng)meritorious deed or service 尽(jìn)use up 弃(qì)abandon A Chinese word or character, or English Search Sources CC-CEDICT, CC BY-SA 4.0 pinyinjs, Apache-2.0