He recorded the class rehearsing before the performance.

他录下了演出前班级的排练。

《牛津词典》

The dancers limbered up before the performance.

舞蹈演员们在演出前做准备活动。

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There're still three hours before the performance starts.

离演出开始还有三个小时呢！

youdao

His historic performance took place ten years before black singer Marian Anderson performed at the Metropolitan Opera in New York.

VOA: special.2010.03.07

The band and other family members say a group prayer of thanks before each Jonas Brothers performance.

VOA: special.2009.06.19

Inexpensive standing room seats are sold 80 minutes before the performance at a separate box office on Operngasse street.

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The school's welfare manager Elaine King said staff were "anxious" before the performance.

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Because if you bring singers in - ringers in - two weeks before the performance and you haven't do two rehearsals and then they sing the performance, what happens is the rest of the chorus is still singing the same notes they always sang or they're not singing it at all.

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