1. He was duped into signing.
    他受骗签订合同。

1. dupe

1. 指与其他小组发布的作品有重复：PROPER: 最佳版本,一般和其他小组发布的作品做横向比较 | DUPE : 指与其他小组发布的作品有重复 | UNRATE : 没有限制级别的未删节版本

2. 大头:吃亏上当的人：戳着:站着. Stand still | D 大头:吃亏上当的人. Dupe | 大姐:对陌生女性的称呼. A term of address to a strange female

1. 愚弄;欺骗;诈骗
    If a person dupes you, they trick you into doing something or into believing something which is not true.

    e.g. ...a plot to dupe stamp collectors into buying fake rarities...
           诱骗集邮者购买珍稀邮票赝品的阴谋
    e.g. We know some sex offenders dupe the psychologists who assess them.
           我们知道有些性犯罪者会愚弄给他们做测评的心理学家。

2. 受骗者;被愚弄者
    A dupe is someone who is tricked by someone else.

    e.g. He becomes an innocent dupe in a political scandal.
           他在一起政治丑闻中成了一名无辜的受骗者。

1. a person who is tricked or swindled

    Synonym: victim

1. fool or hoax

    e.g. The immigrant was duped because he trusted everyone
           You can''t fool me!

    Synonym: gullslangbefoolcodfoolput ontake input one overput one across