Level 3 · word 2,753 of 20,000

weaken

/ˈwiːkən/ American
Picture: weaken
  • v. 削弱, 减弱, 变弱
Definition
  • v. to make or become less strong or powerful
Example
Lack of sleep can weaken your immune system over time.
睡眠不足会逐渐削弱你的免疫系统。