骗子们已使一些轻信的人上了当.The swindlers had roped into a number of gullible persons.轻信的态度只会使你想当然.Credulous attitude will only make you take anything for granted.骗徒们已使一些轻信的人上了当.The winders had roped in a number of gullible persons....

“轻信的”的英语可以翻译为：credulous，[法] gullible ...