Outfits like Network Associates-McAfee and Symantec sell strong virus medicine, keeping their cures up-to-date by posting revisions at their Web sites which you should check often.
诸如网络同仁公司下属的McAfee公司和如Symantec公司等都出售威力巨大的杀毒工具，而且通过在其网站上发布修订版而使其杀毒工具不断更新。

I'm a big fan of software update, because it's ease of use in keeping various components up-to-date.
是个软件更新迷，因为及时更新各种元部件会更加方便使用。

After a fierce dispute, the old-fashioned and the up-to-date did not reach a consensus .
老派和新派在经过激烈的争论之后还是没有在这个问题上达成一致。

to keep something up-to-date
不断更新某物

to keep up-to-date (with something)
跟上某事的最新发展

to keep somebody up-to-date (with/ on something)
为某人提供关于某事的最新信息

I just thought you might like to have an up-to-date report.
我正好在想你可能要发表一个最新的报告。

The San Marco is an up-to-date family-run hotel with style.
圣马可是一种新潮的家庭经营类型的酒店。

RSS readers keep you up-to-date with your favorite sites.
RSS阅读器可以使你了解有关自己钟爱网站的最新资讯。