他假装是银行工作人员，骗走了老人所有的积蓄。

He ___scammed the old man out of his life savings by pretending to be a bank employee.

这位老人被一个声称能帮他投资赚钱的人骗走了积蓄。

The old man was ___scammed by someone who promised to help him make money from investments.