Correct

白费

/ báifèi /
Strokes

Definition

to waste (one's energy etc)

Example

As a Verb

waste; do in vain

1
qiè
一切
xīn
辛苦
quán
báifèi
白费
le
,
tong
合同
bèi
lìngwài
另外
jiā
gōng
公司
gǎo
dàoshǒu
到手

All that hard work was for nothing. The contract went to another company.

2
Shǐ
使
men
我们
de
努力
báifèi
白费

stultify our efforts

3
Báifèi
白费
xīnsi
心思

rack one's wits in vain/to no avail; bother one's head for nothing

4
Báifèi
白费
xīn
心机

scheme in vain

5
Báifèiqi
白费力气

waste one's energy; plough the air/sands; beat the wind/air; beat a dead horse; waste one's effort (on); draw water with a sieve; go on a wild goose chase

6
Báifèi
白费
gōngfu
功夫
/
shíjiān
时间

waste one's time