con

The smooth-talking salesman was actually running a con to steal money from retirees.

(Chinese) 那个口若悬河的推销员实际上是在搞一个骗局，企图窃取退休人员的钱财。

Don't fall for that email scam; it's a classic con designed to get your password.

(Chinese) 别上那封诈骗邮件的当；这是一个旨在获取你密码的典型骗局。