I hope you realize that this work should be done in strictest secrecy.

I want the fact that we're there kept in the strictest secrecy.

About two dozen people are believed to have been arrested under strict secrecy since the Sept. 11 attacks.

He told him in strict secrecy to guard Yodogimi and his son.

So we have decided, in the strictest secrecy, to try to help them.

Working under strict secrecy, most of his friends and colleagues in Dresden did not know about this activity.

Effect: The best minds of a nation are assembled in strict secrecy.

Now, when the children of heads of state get married, they do so in strict secrecy.

Discussions were held in strictest secrecy, because we knew you'd object.

This was done at night and under the strictest secrecy.