to exercise; to move about; to work out · shaky; unsteady; loose (tooth etc) · movable; flexible; liquid (capital etc) · (volcanic, seismic, economic etc) activity · (outdoor etc) activity; event; (political) campaign; (military) maneuver · to use personal influence, connections, bribes etc

Because Chinese blogs use a lot of slang, I usually don't understand them that well, but I still think it's good for my Chinese.

I was never the likeliest candidate for this office. We didn't start with much money or many endorsements. Our campaign was not hatched in the halls of Washington. It began in the backyards of Des Moines, and the living rooms of Concord, and the front porches of Charleston. It was built by working men and women who dug into what little savings they had to give $5 and $10 and $20 to the cause.

Recession is a temporary falling off of business activity during a period when such activity is generally increasing.

It’s a communication medium, not a substance or specific activity.

The concept of “Internet addiction” implies that “the Internet” is some sort of definable activity.