We all know what it's like to have a headache.

我们都知道头痛是什么滋味。

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Before the operation he used to have a headache.

在手术之前，他常常头痛。憌。

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Before the operation he used to have a headache.

在未著手术之前，他以前常常头痛。

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Eighty to ninety percent of cluster headache patients have pain over a number of days to a whole year.

VOA: special.2010.03.30

Mock, who came to Washington for a seminar, will have a big headache come Tuesday: She has to catch a 4 p.m. flight back to Boston.

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Five days before that appointment was to have taken place, Deamonte began to complain of a headache.

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It has proved a headache for policymakers who have tried to weaken it.

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