那个推销员是个骗子，诱骗老奶奶购买劣质产品。

The salesman was a ___swindler, tricking the old lady into buying shoddy products.

那个骗子用假珠宝骗了很多老人。

The ___con artist used fake jewelry to cheat many elderly people.

那个骗子总是编造各种故事来逃避还钱。

That ___swindler keeps making up stories to avoid paying back the money.