n.

act of pivoting 180 degrees, especially in a military formation

同義詞：about-faceabout turn

a major change in attitude or principle or point of view

同義詞：about-facevolte-facereversalpolicy change

1. The company did an about-face on their policy after the public backlash.
   在公眾強烈反對后，公司對其政策做出了徹底改變。
2. He made an about-face and decided to support the new plan.
   他徹底改變了主意，決定支持新計劃。
3. The decision was an unexpected about-face for the administration.
   這一決定是政府出人意料的徹底改變。