“Waste of effort” in Japanese
Short answer
Waste of effort in Japanese is “くたびれ儲け” (kutabiremouke). Full meaning: waste of effort, thankless task.
Other ways to say “Waste of effort” in Japanese
糠に釘
nukanikugi having no effect, waste of effort
豆腐に鎹
toufunikasugai having no effect, waste of effort
暖簾に腕押し
norenniudeoshi not worth doing, waste of effort
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