I knew he worked for a security firm.

我知道他为一家保安公司工作。

《柯林斯英汉双解大词典》

I am sure that this meeting will contribute to the reinforcement of peace and security all over the world.

我确信这次会晤将为全世界和平与安全的巩固做出贡献。

《柯林斯英汉双解大词典》

I live on my standard unemployment benefit—or rather, social security benefit.

我靠我的标准失业救济金生活——或者更确切地说，靠社会保障救济金生活。

youdao

"My situation is fine, but I am still aware that I could lose my job at anytime, and there's still no definite security.

VOA: special.2009.08.21

And with this low level power as we'll see, as I hinted before, comes a lot of fun, interesting, scary security implications.

我之前提到过，就是这么点权限，也能带来很多乐趣，还有一些安全方面的东西。

哈佛公开课 - 计算机科学课程节选

And in social security, I thought, we had the right plan for dealing with the long-term crisis that the program is in.

我认为在社会保障项目方面,我们拥有正确的计划应对,这一项目面临的长期危机。

普林斯顿公开课 - 国际座谈会课程节选

Even when I am at school, I am tense because I see security men standing nearby.

BBC: Zeinab

I. security clearances, did the world-altering work of civil seraphim, and strode endless hallways, cracking wise in pools of amber light.

NEWYORKER: State of the Union

Some of our handset consumers may call the hotline and say, 'Hey, I have a phone from ZTE, do I have security concerns?

ENGADGET: ZTE USA's CEO: US investigation report is actually good for us