She's a past master at getting what she wants.

她可是个精明的人，想要什么就能得到什么。

《牛津词典》

She was, in her own favourite phrase, 'a woman without a past'.

用她自己最喜欢的字眼说，她是个“没有不清白过去的女人”。

《牛津词典》

He was a past master at manipulating the media for his own ends.

操纵媒体为自己服务他是老手。

《柯林斯英汉双解大词典》

The group notes that a past fishing treaty took almost ten years to come into force.

VOA: special.2009.12.08

Could you tell us a past story about them?

能跟我们讲讲他们过去的故事吗？

留在记忆中的学生 - SpeakingMax英语口语达人

Israel's past and present and future generations form a collective entity, Israel, that collectively assents to the covenant.

犹太人的过去，现在，未来形成了一个共同的存在，全体犹太人都赞成这个契约。

耶鲁公开课 - 旧约导论课程节选

On the energy production side, we can learn lessons from a past success: the Internet.

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The insurer may overlook a past isolated incident where a dog jumped up and scratched someone.

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"You should know that in a past life you were a first-century Italian poet, " he said.

WSJ: Dan Fante on Silent, Ancient Corvara, Italy | Traveler's Tale