weaken
/ˈwikən/
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v. 削弱；變弱
- Lack of sleep can weaken the immune system and make you catch colds easily. 睡眠不足會削弱免疫系統，讓人容易感冒。
其他意思
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v. 削弱, 減弱, 使虛弱
變弱, 變軟弱If you weaken something or if it weakens, it becomes less strong or less powerful.
- The recession has weakened so many firms that many can no longer survive