The news of this discovery could not be kept secret very long.

VOA: special.2009.02.04

But the operation had to be kept secret.

VOA: special.2010.06.24

Results will be kept secret until the night of the award ceremony: January 31 at the Staples Center in Los Angeles,California.

VOA: standard.2010.01.25

"I think it's the biggest kept secret in the world because of its value. Meanwhile,secretive parts of the secret government are sitting on suppressed technology for free energy."

VOA: standard.2009.07.31

The Washington Post reported voter turnout information allegedly kept secret by the chief envoy for the United Nations in Afghanistan,Kai Eide, provides further evidence the August 20 contest was marred by fraud.

VOA: standard.2009.10.07

He kept the bad news a secret for more than three years.

VOA: special.2010.02.07

General Grant kept details of the campaign as secret as possible.

VOA: special.2009.11.26