reflection

映り姿、鏡像

鏡や水などの滑らかな面に映る人や物の姿。

やさしい英語で： An image of someone or something that you see in a mirror, water, or another smooth surface.

• I saw my reflection in the mirror.
• The lake held clear reflections of the trees.
• He smiled at his reflection in the window.

使い方： reflection in something (She saw her reflection in the shop window.)

類義語： mirror image

よく使う表現： your reflection, reflection in water

熟考、考察

意見を持ったり決めたりする前に、よく考えること。

やさしい英語で： The act of thinking carefully about something before forming an opinion or making a decision.

• I need some time for reflection.
• On reflection, the cheaper option seems better.
• Her reflections on the problem helped us decide.

使い方： on reflection (On reflection, I decided to stay.); reflection on something (We need time for reflection on the proposal.)

類義語： thought, consideration, contemplation

よく使う表現： careful reflection, on reflection, reflection on something

反射

光や音などの波が表面に当たって跳ね返ること。

やさしい英語で： The return of light, sound, or other waves after they hit a surface.

• The mirror causes reflection of light.
• We measured the angle of reflection.
• Sound reflection can make speech unclear in a large hall.

使い方： reflection of something (The reflection of sound produces an echo.)

反対語： absorption

よく使う表現： reflection of light, sound reflection

回想

過去に起きたことを静かに思い返すこと。

やさしい英語で： Quiet thought about things that happened in the past.

• He spent the evening in reflection.
• Reflection on those years made her smile.
• His diary includes reflections on his childhood.

使い方： reflection on something (Her reflection on childhood brought back happy memories.)

類義語： recollection, reminiscence

よく使う表現： quiet reflection, reflection on something