| 字词 | 前功尽弃 |
| 释义 | 前功尽弃 qián gōng jìn qì waste all the previous efforts; waste the efforts already made; All labour lost.; All one's labour has been in vain.; All the work one has done is wasted.; All that has been achieved is spoiled.; All one's previous efforts are wasted.; All previous work undone.; All previous work came to naught.; forfeiture of all the former achievements; One's past merits will count for nothing.; The former labour is all wasted.; All the former tasks have been thrown away.: 大坝一定要在雨季开始以前合拢， 否则就会前功尽弃。 The dam must be closed before the rainy season sets in, or all our labour will be lost. |
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