He told his boss a tale about his mother being at death's door.

他给老板讲述了自己母亲病危的情况。

《柯林斯英汉双解大词典》

It's not excess of love we regret at death's door, it's excess of severity.

让我们在垂死之际感到后悔的不是爱得太多，而是太过严厉。

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They were very distressed to hear that their beloved uncle was at death's door.

得知他们爱戴的伯父生命危在旦夕，他们很悲伤。

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The poem never questions that, and it's ridiculous to lay his death at the church's door.

这是诗从未对此质疑过，并且把他的死归罪于教会也是十分荒唐的。

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Even then, to his credit, Ang Lee is never tempted to domesticate this cat, except briefly, when both boy and beast are starving and at death's door.

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