But, along with Dan Hill, a military buddy of his, he didn't stop thinking about security weaknesses and terrorism.

但是，他和他的老战友单·希尔并没有停止对安全缺陷和反恐措施的思考。

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The new school, Chalk Hill Elementary, also has more security.

新学校，查尔·克希尔小学，也变得更为安全。

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Homeland security secretary Janet Napolitano brief lawmakers on Capitol Hill today about the investigation into Monday's bombings that killed three and wounded more than 170.

今天，国土安全部长珍妮特·纳波利塔诺在国会山就周一爆炸案的调查工作向议员做了简要陈述，这起爆炸案造成三人死亡，170余人受伤。

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Alice Hill,with the Department of Homeland Security.

VOA: standard.2010.07.23

Senior Yale lecturers like Yale's diplomat-in-residence and eminent international security studies scholar Charles Hill, and Yale's Sterling Professor Emeritus of English and Comparative Literature and Holocaust survivor Geoffrey Hartman, served on YIISA's faculty advisory committees and participated in its activities.

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There is some analysis from Forrester here, while my colleague Kashmir Hill talks about some very valid security and power issues here.

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The trip, by American envoy, Christopher Hill, follows a decision by the UN Security Council to delay voting on a resolution calling for sanctions against Pyongyang.

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