With his poll numbers slipping and unemployment still high, President Obama is traveling again, to tell the American people that his Recovery Act is starting to work.

VOA: standard.2009.08.05

And Milton's defense of controversy seems in a lot of ways continually to be slipping in to something like a defense of poetry, or certainly a defense of his own poetic practice.

弥尔顿对于论战的辩护似乎在某种程度上持续地,渐渐变为对诗歌的辩护，或是理所当然地变为对自己诗歌的尝试的辩护。

耶鲁公开课 - 弥尔顿课程节选

I'm afraid that you're slipping.

恐怕你的工作表现在滑落。

I'm afraid of 实战 - SpeakingMax英语口语达人

"I do not believe the war is slipping through the administration's fingers.

VOA: standard.2009.09.03

(Shooting Sound) Violence in Afghanistan is mounting, U.S.public support for the war is slipping and lawmakers in Mr.Obama's own party have criticized his plan to send tens of thousands more troops.

VOA: standard.2009.12.15

Now,concern is growing that that opportunity is slipping away.

VOA: standard.2010.07.16

Mindful that political momentum appears to be slipping, President Obama has stepped up his efforts to win support for health care reform in recent weeks with a series of campaign style events around the country.

VOA: standard.2009.07.31