1.contrivance n. 发明, 发明的才能, 想出的办法

I have an ingenious contrivance to get her to sign the document without reading it.
我有一条不经她过目就签署文件的妙计。

2.impute [im'pju:t] vt. 归罪, 使负责, 嫁祸

I impute his failure to laziness.
我把他的失败归咎于他的懒惰。

3.benevolence n. 善意, 慈悲, 善行

He is a man with benevolence.
他是一个有善心的人。

4.exertion n. 努力, 发挥, 运用

He failed to lift the rock in spite of all his exertions.
他虽竭尽全力, 但仍然未能将那石头搬起来。