“an easy mark”造句，怎麼用an easy mark造句

Not wanting to be called an easy marker, the teacher graded the essays severely.

Everyone knows Tom as an easy mark.

Not an easy market to serve.

Lafferty's longtime business partner, Allan Aitken, told me that he believed that "Biro was either a shyster or a con man, and had found in Lafferty an easy mark."

Clinton was an easy mark.