Correct
前功尽弃
/ qián gōng jìn qì /
Strokes
Definition
to waste all one's previous efforts (idiom)/all that has been achieved goes down the drain
Example
Definition
all that has been achieved is spoiled; all the previous efforts are wasted
1
Dàbà
大坝
yīdìng
一定
yào
要
zài
在
yǔjì
雨季
dàolái
到来
qián
前
hélǒng
合拢
,
fǒuzé
否则
jiù
就
huì
会
qiángōngjìnqì
前功尽弃
。
The dam must be closed before the rainy season sets in, or all our labour will be lost.