Level 6 · word 18,231 of 20,000

redouble

/riˈdʌbəl/ American
  • v. 加倍, 增强, 重复
Definition
  • v. to make something twice as great, or to repeat or do something again
Example
They decided to redouble their efforts to finish on time.
他们决定加倍努力以按时完成。