A put-on is something you say or do to make someone believe what is not true. It may be a joke that goes on a little too long, a fake story, a fake accent, a fake face of surprise. When the truth comes out, you say it was a put-on.

A put-on是 something you say or do你說或做的某件事 to make someone believe目的是讓別人相信 what is not true不是真的的事情。It may be它可能是 a joke that goes on a little too long一個開過頭的玩笑、a fake story一個假故事、a fake accent一個假口音、a fake face of surprise一副假裝驚訝的表情。When the truth comes out等到真相曝光後，you say你就會說 it was a put-on那是一場put-on。

The word is informal, and you will hear it more in American English.

The word is informal這個詞很口語，in American English在美式英語裡 you will hear it more比較常聽到。

Though actually, put on as a verb also means to dress (put on a coat) and to pretend (put on a brave face).

Though actually不過其實，put on as a verb put on 當動詞用時 also means也有 to dress「穿上」（put on a coat 穿上外套） and to pretend和「假裝」（put on a brave face 硬裝出勇敢的樣子）的意思。

The noun here is the act of fooling, the trick itself. It is lighter than fraud in court.

The noun here這裡的名詞用法 is指的是 the act of fooling唬弄人的行為，the trick itself也就是那個騙局本身。It它 than比 fraud in court法庭上的詐欺罪 is lighter輕。

As an adjective, a put-on smile is a smile that is not real — same family of meaning, a slightly different job in the sentence. This entry is the trick: the thing done so that someone will believe a lie.

As an adjective當形容詞用的時候，a put-on smilea put-on smile（假笑） is指的是 a smile that is not real不是真心的笑容——same family of meaning意思是同一家族，a slightly different job in the sentence只是在句子裡扮演的角色稍微不同。This entry這個詞條講的 is就是 the trick那個騙局：the thing done故意做出來的事 so that someone will believe a lie好讓別人相信一個謊言。