An impostor is a person who puts on someone else’s name, job, or story so that other people will trust them — and then uses that trust to trick them.

An impostor is一個impostor是 a person who puts on someone else's name, job, or story冒用別人的名字、職業或身分的人 so that other people will trust them好讓別人信任他們——and then uses that trust to trick them然後利用這份信任去騙人。

It is not an actor on a stage, where everyone knows it is a play. An impostor wants the lie to work.

It is not an actor on a stage它不是舞台上的演員，where everyone knows it is a play那種大家都知道是在演戲的情況。An impostor wants the lie to workimpostor是希望這個謊言真的能騙成功。

You meet the word with fake doctors, fake officials, or someone who walks into a family and says they are a long-lost brother.

You meet the word with fake doctors這個字會用在假醫生、fake officials假官員、or someone who walks into a family and says they are a long-lost brother或是闖進一個家庭、自稱是失散多年兄弟的人身上。

The spelling impostor is the older, more careful one; imposter is also widely used.

The spelling impostor is the older, more careful one拼法impostor是比較老、比較講究的寫法；imposter is also widely usedimposter這個拼法也很常見。

In everyday talk people often say a fake or a con man; impostor is a slightly more formal picture of “pretending to be a particular person.” Though actually, the trick is not always about one famous name. It can be a role: pretending to be a police officer, a relative, or an expert.

In everyday talk people often say a fake or a con man日常說法常說a fake或a con man；impostor is a slightly more formal picture of "pretending to be a particular person."impostor則是比較正式地描述「假冒成特定某人」這件事。Though actually, the trick is not always about one famous name不過其實，騙局不見得都是假冒某個知名人物。It can be a role也可以是假冒一種角色：pretending to be a police officer, a relative, or an expert假裝是警察、親戚，或某個領域的專家。