Correct

付诸东流

/ fùzhū dōng liú /
Strokes

Definition

wasted effort

Example

Definition

come to naught/nothing; be lost forever; be irrevocably lost

1
Yīqiè
一切
xīnkǔ
辛苦
dōu
都
fùzhūdōngliú
付诸东流
le
了
。

All that hard work done has been in vain. / All the efforts have been to no avail.