created sense approved 枉费/枉費 · wǎngfèi · try in vain
枉费 / 枉費
wǎngfèi
try in vain
to exert effort to no avail or without achieving the desired result
如果方法不对,再怎么努力也是枉费。
verb
created sense approved 枉费/枉費 · wǎngfèi · waste
枉费 / 枉費
wǎngfèi
waste
to waste resources such as time, energy, or breath needlessly
你别再劝他了,免得枉费口舌。
expression