He said there will be attempts to undermine Iraqi security forces as U.S. troops complete their withdrawal from Iraqi cities by the end of the month and ahead of upcoming national elections.

他表示在本月末美军驻军从伊拉克城市完全撤出和全国大选来临之前，有人试图暗中破坏伊拉克的安全部队。

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"I believe this war to be a tragic failure that continues to undermine rather than advance our national security interests."

VOA: standard.2010.07.30

"However,what Egypt did undermine, to an extent,especially in the last two years, has been to combine its legitimate defense of national security concerns with a wider appeal to Arab interests and Palestinian interests at the core of them,".

VOA: standard.2009.11.03

Romney warns defense cuts could undermine national security.

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But none of this seemed to interest Egyptian officials last week when they announced the arrest of 49 Hizbullah operatives and pointed a finger at Hizbullah chief Hassan Nasrallah and his bosses in Teheran, openly accusing them of seeking to undermine Egypt's national security.

CENTERFORSECURITYPOLICY: Iran's Western enablers

"We're concerned that the administration will continue to use national security as a pretext to undermine privacy and other critical rights, " said Parker Higgins, an activist with the Electronic Frontier Foundation, citing the administration's warrantless wiretapping programs, the prosecution of whistle-blowers and what he called an overall lack of transparency.

CNN: 5 big tech issues await Obama in second term