無む駄だ骨ぼねむだぼねじ字FuriganaAudioMeanings1nounwasted effort; fruitless effort; vain effortsRefers to effort that yields no result; often used in the phrase 無駄骨を折る (to waste one's efforts).彼かれの努ど力りょくは結けっ局きょく無む駄だ骨ぼねに終おわった。Break this sentence down in the analyzerHis efforts ended up being wasted.そんなことをしても無む駄だ骨ぼねを折おるだけだ。Break this sentence down in the analyzerDoing that will only be a waste of effort.See all 8 example sentences ›Expressions無む駄だ骨ぼねを折おるwaste one's efforts; work to no effect