at top speed

at top speed — idiom

1. moving or doing something using the greatest speed that is possible

1.慣用語B1
釋義

moving or doing something using the greatest speed that is possible

例句

Ilan drove at top speed to reach the airport before his flight closed.

drive at top speed (of a vehicle)

The fire engine raced through the empty streets at top speed.

verb of motion + at top speed

同義詞
  • at full speed

    almost the same meaning; slightly more common when describing machines and vehicles

  • flat out

    more informal and often used for working very hard, not only for moving fast

  • as fast as possible

    a plain, neutral way to say the same idea, with no fixed-phrase feel

反義詞

文法句型

move/drive/run at top speed

work at top speed

用法筆記

Most often follows a verb of motion such as drive, run, race, or sail, but also works with action verbs like work or type. The phrase stresses the highest speed something or someone can manage, not just a fast pace.

常見錯誤

❌She ran in top speed to catch the bus.
✅She ran at top speed to catch the bus.
💡The fixed phrase uses 'at', not 'in'.
❌He drove at a top speed down the highway.
✅He drove at top speed down the highway.
💡In this idiom there is no article before 'top speed'.