Translation guide
How to express that an action or attempt was pointless, futile, or produced no useful result. Japanese has several common expressions ranging from casual to formal.
無駄な努力だった。
It was a wasted effort.
努力がすべて無駄になった。
All my effort was in vain.
Expressing that an action was pointless or produced no result, often with a sense of wasted time or energy.
Literally 'become useless'. Used when effort, time, or resources end up being wasted. Very common and neutral.
せっかくの努力が無駄になった。
All my hard work was wasted.
The rain made all the picnic preparations a wasted effort.
Idiom meaning 'to break one's bones in vain'. Emphasizes physical or strenuous effort that was wasted.
彼を説得しようとしたが、無駄骨を折っただけだった。
I tried to persuade him, but it was just a wasted effort.
Proverb meaning 'all pain and no gain'. Very expressive but somewhat old-fashioned. Used for efforts that only bring fatigue.
このプロジェクトは骨折り損の草臥れ儲けだった。
This project was a complete waste of effort.
Describing an action that is inherently futile or impossible, like trying to do something against the laws of nature or logic.
Noun phrase meaning 'wasted effort' or 'futile effort'. Can be used in many contexts.
彼を変えようとするのは無駄な努力だ。
Trying to change him is a wasted effort.
Proverb meaning 'water on a hot stone'. Used when an effort is too small to make any difference, like a drop in the bucket.
少額の寄付では焼け石に水だ。
A small donation is just a drop in the bucket.
Idiom meaning 'to step on a useless foot', i.e., to make a wasted trip. Used when going somewhere yields no result.
わざわざ行ったのに、店が閉まっていて無駄足を踏んだ。
I went all the way there, but the store was closed—a wasted trip.
When your hard work is ignored, unappreciated, or doesn't lead to any reward.
Means 'unrewarded effort'. Focuses on the lack of recognition or result despite hard work.
彼の献身は報われない努力だった。
His dedication was a wasted effort.
Formal expression meaning 'to end in vain'. Often used in writing or serious contexts.
長年の研究が徒労に終わった。
Years of research ended in wasted effort.
無駄になる is a general expression for something becoming wasted. 無駄骨を折る specifically emphasizes the physical or strenuous effort that was wasted, and is more vivid.
準備が無駄になった。
The preparations were wasted.
無駄骨を折った。
I broke my bones in vain.
Directly translating 'wasted effort' as 浪費された努力 is unnatural. Use the idiomatic expressions above.