Level 3 · word 2,753 of 20,000
weaken
/ˈwiːkən/
American

- 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。