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ラッセル英単語・熟語


efficient (adj.) [効率が良い;直接作用する;(人が)有能な]

* efficiency (n):能率(的なこと);効率
The transition from the family to the small tribe was presumably biologically connected with the fact that hunting could be more efficient if it was co-operative.
[家族本位から小さな部族生活への変遷は、狩猟は協同で行なった方が一層有効に出来たという事実に,多分生物学的に,関係があったのである。
 出典:ラッセル『権威と個人』の「集団としての家族」]

Efficiency in a practical task is not proportional to the emotion that we put into it; indeed, emotion is sometimes an obstacle to efficiency.
[実際的な'仕事における能率'は、私たちがその仕事に注ぎこむ感情(の多少)に比例しない。それどころか、感情は時々'能率の妨げ'となる。
 出典:ラッセル『幸福論』第16章「努力と諦め」]

Nothing so much diminishes not only happiness but efficiency as a personality divided against itself.
[人格の分裂ほど、幸福のみならず能率を減らすものはない。
 出典:ラッセル『幸福論』第7章「罪悪感」]

As we get older, our bodies become less efficient at burning up calories.
[ 出典:Oxford Advanced Learners Dictionary, 8th ed.]

If something or someone is efficient, they are able to do tasks successfully, without wasting time or energy.
[ 出典:Collins COBUILD English Dictionary for Advanced Learners, 3rd ed.]