1、Immature; inexperienced; easily fooled

2、His simplicity made him easily fooled.

3、John was so easily fooled that he fell for Joe's story hook, line and sinker.

4、One is never so easily fooled as when one thinks one is fooling others. --La Rochefoucauld

5、OK, maybe you are thinking: a) he's easily fooled, it was a "Potemkin village" presentation event (see here);

6、Learn the ins and outs of the housing market so you will not be easily fooled by the people you deal with.

7、I have tried, to help create a people who are skeptical, rational, critical, not easily fooled or impressed, in a word, a free people, ungovernable.