sapped

Her long illness gradually sapped her strength.

长期患病渐渐地消她体力。

The series of steep hills sapped the cyclists’ strength.

一连串坡度很大小山骑车人气力。

Constant rejection has sapped her will.

不断被拒绝逐渐使她丧心。

The criticism sapped his determination.

批评削弱他决心。