impair v. 損なう, 減じる. 【副詞１】 ◆His hearing was badly impaired by the explosion. 彼の聴力はその爆音で著しく損なわれた → ◆Reading [The work] impaired his sight palpably. 読書[その仕事]のため彼は目立って視力を落とした → ◆seriously impair one's health [usefulness] 著しく健康を損ねる[有用性を減じる] → ◆Drinking significantly impairs a driver's ability. 飲酒はドライバーの能力を著しく損なう → ◆visually impaired students 視力障害をもつ学生. → 【＋前置詞】 ◆His reactions had been impaired by his exhaustion. 疲労で彼の反応は鈍くなっていた. →