•You could see the poor dog weakening daily as the disease spread through its body.随着这种疾病在这只可怜的狗身上扩散，你能看到它一天一天衰弱下去。

•Another defeat in parliament would seriously weaken the president's ability to govern.在议会里的再次失败将会严重削弱总统的执政能力。

•We know that prolonged exposure to vibration can weaken aircraft components.我们知道长时间处在震动状态，会降低飞机零件的强度。

•She's weakening - ask her some more questions and see if she confesses.她快挺不住了——再问她些问题看她会不会坦白。