improvement

改善、向上

物事がよくなる変化、またはよくなっていく過程。

やさしい英語で： A change that makes something better, or the process of becoming better.

• There is room for improvement.
• His health showed a steady improvement.
• The changes brought major improvements in safety.

使い方： improvement in something (We noticed an improvement in her reading.)

類義語： progress, advance, betterment

反対語： decline, deterioration

よく使う表現： improvement in something, room for improvement, significant improvement, improvement on something

増加、進歩、向上

特に成果や数量が増えること、または前に進むこと。

やさしい英語で： An increase or forward movement in something, especially a result or amount.

• Sales showed a small improvement.
• We expect further improvement in profits next year.
• Her latest score represents an improvement of ten points.

使い方： improvement in something (The company reported an improvement in sales.)

類義語： increase, growth, advance

反対語： decrease, decline

よく使う表現： improvement in sales, profit improvement, score improvement