Twitter, the popular microblogging site, was out of service much of the day Thursday as it worked to defend itself against a Web attack, but service appeared to have been restored by late evening.

这个广受欢迎的微博客网站，在星期四的大部分时间里停止服务，它其实是在抵御一场网络攻击，但当天晚间服务得到了恢复。

youdao

The attack began not all that long ago, really only as late as the seventeenth century.

攻击并未太慢开始，早在十七世纪就开始了。

youdao

Brin said Google was still evaluating its options when it discovered it was struck by a highly sophisticated cyber attack in late 2009.

布林说，2009年底谷歌发现自己遭受了一场非常复杂的网络攻击时，谷歌仍在评估各项选择。

youdao

Late Thursday, fighters loyal to Commander Karey carried out a revenge attack on an al-Shabab stronghold in the capital.

VOA: standard.2009.04.17

The attack began not all that long ago, really only as late as the seventeenth century.

攻击并未太慢开始，早在十七世纪就开始了。

耶鲁公开课 - 政治哲学导论课程节选

Fulham pushed centre-back Brede Hangeland up into attack late on but could not avoid defeat, with Konchesky's dismissal for a tackle on Taddei rubbing salt into their wounds.

BBC: Roma 2-1 Fulham

IRA. Republicans were also blamed for a petrol-bomb attack late on July 10th on an isolated Orange Hall near Portadown, which risked the lives of six parade organisers meeting inside.

ECONOMIST: Northern Ireland

The information gathered by Perfect Citizen could also have applications beyond the critical infrastructure sector, officials said, serving as a data bank that would also help companies and agencies who call upon NSA for help with investigations of cyber attacks, as Google did when it sustained a major attack late last year.

WSJ: U.S. Program to Detect Cyber Attacks on Infrastructure