| 骨を盗む | [ほねをぬすむ, honewonusumu] (exp, v5m) (1) (See 骨を惜しむ) to spare oneself; to spare oneself the trouble; (2) (arch) (as 骨を盗むまい, 骨を盗まず, etc.) to nullify someone's efforts [Add to Longdo] |
| 無駄骨を折る | [むだぼねをおる, mudabonewooru] (exp, v5r) (obsc) (id) to waste one's efforts; to work to no (useful) effect [Add to Longdo] |
| 力を注ぐ | [ちからをそそぐ, chikarawososogu] (exp, v5g) to concentrate one's effort (on something) [Add to Longdo] |