weaken [ˈwi:kən]

以下由轻松背单词网站提供

vt.(使)变弱，(使)虚弱；vi.变弱；畏缩；变软弱

to ( cause to) become less strong , powerful or determined

You can weaken the tea by adding water. 你可以加水把茶弄得淡一些。
We never weaken our efforts in face of difficulties. 我们在困难面前从不弱化我们的努力。