The old lady stood petrified with astonishment, peering over her glasses; Tom lay on the floor expiring with laughter.

老太太站在那儿吓呆了，目光越过眼镜向外瞪着；汤姆却躺在地板上笑得喘不上气。

Lo and behold, it turns out that his widow, to whom he confessed various infidelities before expiring, was pregnant; indeed, he was the father.

你瞧，原来他的遗孀怀孕了，他在临死前曾向她承认过各种不忠行为；事实上，他就是孩子的父亲。

Then there's the issue of expiring patents.

而且还有专利过期的问题。

Tom lay on the floor expiring with laughter.

汤姆躺在地板上笑得要死。

Scheduled publishing and expiring of Web pages

有计划地发布 Web 页面，并取消过期的 Web 页面。