那个骗子假装成慈善机构工作人员，骗走了老妇人所有的积蓄。

The ___conman pretended to be a charity worker and stole all the old lady's savings.

那个西装革履的投资顾问原来是个专门骗老年人积蓄的骗子。

The well-dressed investment advisor turned out to be a ___conman who specialized in scamming seniors out of their savings.