gullible

形容词 gullible:

1. naive and easily deceived or tricked
   同义词：fleeceable, green
2. easily tricked because of being too trusting

1. He's so gullible you could sell him anything.
   他非常容易上当，你可以卖给他任何东西。
2. Easily duped or deceived; gullible.
   易受骗的容易被人欺骗或欺辱的
3. Disposed to believe too readily; gullible.
   太容易相信的; 易受骗的
4. He must have been pretty gullible to fall for that old trick.
   他准是有点儿傻，才落入那惯用的圈套。

gul.li.ble

adj.（形容词）
Easily deceived or duped.
易上当受骗的：容易被欺骗或愚弄的

来源：
From gull 2
源自 gull2

【引伸】
gul.libil.ity
n.（名词）
gul.libly
adv.（副词）