► 成句
腰 [こし] [腰が砕ける] meaning: powerless rank: 4
☆ 彼女は恐怖で腰が砕けてしまった ⇨ Her hip was shattered, she became weak in legs, because of fear
► 名詞
骨抜き [ほねぬき] [骨抜きにする] meaning: powerless rank: 4
☆ 彼は会社の監査機構を骨抜きにした ⇨ He removed the skeletons from the audit system of the company, made it powerless (☛ Undermine on purpose)
► 形容詞
しがない [(3)しがない] meaning: powerless rank: 3
☆ 私はしがないサラリーマンだ ⇨ I am just a lowly employed worker (☛ Usually used for self-deprecation)
► 形容動詞
無力 [(1)むりょく] meaning: powerless rank: 3
☆ 彼等は伝染病に対して全く無力だった ⇨ They were powerless against the contagious disease