weaken

/ˈwikən/

lessen the strength of

中文释义：削弱；减弱

Lack of sleep can weaken the immune system, making you more prone to illness.

缺乏睡眠会削弱免疫系统，使你更容易生病。

The prolonged drought weakened the crops, leading to a poor harvest.

长期干旱削弱了庄稼，导致收成不佳。