gullible /ˈgʌləbəl/ adjective Learner's definition of GULLIBLE
[more gullible; most gullible]
: easily fooled or cheated
especially : quick to believe something that is not true易受骗的；易上当的；（尤指）轻信的 — gullibility
/ˌgʌləˈbɪləti/ noun [noncount] — gullibly
/ˈgʌləbli/ adverb