反転
解説 Definition
reversals は reversal（反転、逆転、方針転換）の複数形です。状況、判断、流れ、方向などが反対に変わる出来事を指し、結果や立場が大きく変わる文脈でよく使われます。
Reversals are events or changes in which a direction, situation, decision, policy, or trend turns into its opposite. The plural often refers to several setbacks, shifts, or changes of course occurring over time.
覚え方のコツ Memory Tip
単数形 reversal「反転・逆転・方針転換」に複数語尾 -s を付けた形で、発音は語末が /z/ になります。reverse「逆にする」から reversal「逆になる出来事」へつなげ、policy reversals、market reversals、reversals of fortune のように、流れや判断が反対方向へ変わる複数の事例を思い浮かべましょう。
Start with the singular noun reversal, a change that sends a situation, decision, or direction toward the opposite state. Reversals is its regular plural: add -s, pronounced /z/ after the final voiced sound. Remember it through common combinations such as policy reversals, market reversals, and reversals of fortune. Each phrase involves a noticeable change of direction or outcome. Unlike a minor adjustment, a reversal suggests that the previous course has been turned around, and the plural points to more than one such event or change.
例文
The company faced several reversals during the project.
その会社はプロジェクト中に何度か状況の逆転に直面しました。
Unexpected policy reversals confused many local businesses.
予想外の方針転換に、多くの地元企業が戸惑いました。
The report explains the market reversals that followed the announcement.
その報告書は発表後に起きた市場の反転を説明しています。
reversals の類義語・関連語
reversals の語源・成り立ち Etymology
ラテン語 reversare（re-「後ろへ」+ versare「向きを変える」）が語源。versare は vertere（回す）の反復形で、reverse（逆転する）やverse（詩の行＝行を折り返す）と同根。方向や状態が「裏返しになる」ことから「反転・逆転」の意。
Reversals is the plural of reversal, formed from reverse plus the noun-forming suffix -al. Reverse ultimately traces through French and Latin to reversus, the past participle of revertere, meaning “to turn back.” That Latin verb combines re-, “back,” with vertere, “to turn.” The central image of turning back or around developed naturally into the modern senses of an opposite movement, result, judgment, or policy.
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