無駄骨を折る
むだぼねをおる
to waste one's efforts; to work to no (useful) effect
Meaning
- to waste one's efforts; to work to no (useful) effect
Example sentences
彼は、しばしば、無駄骨を折る。
He often goes off on wild goose chases.
無駄骨を折るだけだ。
It is like looking for a needle in a haystack.