The joke first began when the opening line "we are being watched" was translated into a literal "we are made into a watch" early in the series, and viewers turned the mistranslation into a tradition.

这个笑话起先源于开场白“我们正被监视着”直译就变成了“我们正被做成表”，观众把这种错误的翻译当成了传统。

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His first joke got the biggest laugh of the night.

他讲的第一个笑话博得了当晚最开怀的笑声。

《牛津词典》

A customer first suggested it, as a kind of joke.

因为这是一个顾客首次开玩笑般提议的。

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Reporter with Euro accent asks intractably long question about language barriers, ends by asking if Larry will let Robin make a joke first.

ENGADGET: Live coverage of Google Keynote with Robin Williams

As we arrived a security guard warned us about a small tidal wave approaching, which we thought was a joke at first.

CNN: Tsunami tragedy: Your e-mails

Those who dismiss Arnold Schwarzenegger as a robotic action hero should remember that Ronald Reagan was also dismissed as a joke when he first ran for governor and he beat his opponent by more than a million votes.

BBC: NEWS | Americas | Terminator versus Communicator