Security has improved dramatically since early 2008.

2008年初以来，安全性已显著改善。

youdao

Really! Security has improved a lot, don't you think?

真的吗，飞安跟以前比起来进步太多了，你不觉得吗？

youdao

Commanders claim that security has improved enough in Basra for Iraqi forces to take charge.

英军指挥官声称Basra省的治安情况已经大为改观，可以交给伊拉克安全武装负责了。

youdao

They had been harassed,she says, by Muslim youths, but since a volunteer group was formed, security has improved.

VOA: standard.2009.08.31

Although security in Iraq has improved during this time, apparently the lives of most of these homeless people have not.

VOA: standard.2009.09.20

"The security situation has not improved in the country over recent weeks,".

VOA: standard.2009.09.10

Thirty-one-year-old Ahmed Mohammed, a trader in black market gasoline, says security has improved.

NPR: Troops Focus on Baghdad's Meanest Streets

Security has improved outside Port-au-Prince, even allowing pre-election campaign rallies, though these were brief affairs with many bodyguards attending.

ECONOMIST: At last, a bridge of sorts to the future | The

Security has improved in Mogadishu since al-Shabab withdrew from the city in August 2011, but its fighters still launch attacks.

BBC: Somalia: Mogadishu to Baidoa road 'reopened'