weaken

'wi:kәn

四级六级 Collins 3

v. lessen the strength of
v. become weaker

vt. 削弱, 减弱, 使虚弱
vi. 变弱, 变软弱

Collins 星级

4,459

BNC 频率

4,486

使用频率

weaken 由词根 weak（虚弱）和后缀 -en（使...变得）组成，意思是“使变得虚弱”。

例句

1. The heavy rain will weaken the soil on the hill.

大雨会削弱山坡上的土壤。

2. Lack of sleep can weaken your immune system.

缺乏睡眠会削弱你的免疫系统。

3. The team's performance began to weaken in the second half of the game.

球队的表现开始在比赛的下半场削弱。