cred·u·lous
adjective/ˈkredʒələs/
/ˈkredʒələs/
(formal)- too ready to believe things and therefore easy to trick
轻信的；易受骗的 Word Originlate 16th cent. (in the general sense ‘inclined to believe’): from Latin credulus (from credere ‘believe’) + -ous.