Never for a single moment cut yourself off from the masses.

一时一刻也不要脱离群众。

《新英汉大辞典》

Until the moment everyone started telling me to mellow out, I had never been tense for a single moment in my life.

直到每个人开始叫我放松那一刻，我一生中还从来没有一刻紧张过。

《柯林斯英汉双解大词典》

And even if for a single moment the mind is not there, enlightenment is there.

而即使头脑只是在一小刻不在那里，开悟就在那里。

youdao

Forever convinced of her own innocence, Catherine declares that one loves truly only for a single moment in life.

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For a moment a single eye gleamed at me from within the darkness.

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