mockery的解释，在云词典中mockery是什么意思？

mockery

['mɔkәri]
n.
嘲笑

His failure make a mockery of the teacher's great effort to help him.
他的失败使老师帮助他的一番心血都白费了。
In a debate which followed, the crafty old politician made a mockery of his younger opponent.
在继之而起的辩论中，那狡猾的老政客嘲弄他年轻对手。
The few packages of food seemed a mockery in the face of such enormous destitution.
对于众多赤贫的人们，这几袋食物简直是杯水车薪