Sentence examples for guarded secret from inspiring English sources

* The menus for tomorrow's receptions are a closely guarded secret.

But the plot remains a closely guarded secret.

Previously, its ownership was a closely guarded secret.

But the real numbers remain a closely guarded secret.

The technique is a closely guarded secret at FBI headquarters.

In the past, information about orbits was a closely guarded secret.

Detroit's decline was no well-guarded secret.

The details are Google's best-guarded secret.

Why was this such a well-guarded secret?

It looks likely to remain a closely-guarded secret.

The fact that Khalilzad's mother had been living in Kabul was a well-guarded secret.