turn on a dime

• 形容能够极其迅速灵活地改变方向、立场或态度，常用来描述交通工具的机动性或人随机应变、快速适应的能力。

To change direction or opinion very quickly and with great agility, often used to describe a vehicle or a person's ability to adapt swiftly.

1. Change direction quicklyB2informalamerican

   To turn or change direction very sharply and quickly, often used for vehicles or people.

   急转弯

   • The sports car can turn on a dime.
   • He turned on a dime when he saw the obstacle.
   • The dancer turned on a dime during the performance.

2. Change opinion or decision quicklyC1informalamerican

   To change one's mind or decision very suddenly.

   突然改变主意

   • The politician turned on a dime after the new poll results.
   • She turned on a dime and decided to stay home instead.
   • The company turned on a dime and changed its entire strategy.