sworn to secrecy

When their design won, they were again sworn to secrecy.

People involved in the process have been sworn to secrecy.

But he's been sworn to secrecy for fear of his life.

They're sworn to secrecy about it and they never tell.

Such a man would not have to be sworn to secrecy?

I'm sworn to secrecy for the moment, but do watch this space.

As would be expected in the industry, both have been sworn to secrecy about what happened on the set until the film comes out.

Its members, believed to number in the thousands, are sworn to secrecy.

Teachers and staff had been sworn to secrecy to keep the surprise.

They were released several days later, after being sworn to secrecy.

Soon she was selected for training with four other women and sworn to secrecy.

No one except Tom, whom he had sworn to secrecy, knew about his job.

All are sworn to secrecy and encouraged to open up.

I suppose they're sworn to secrecy about where they've come from?

Well, I do, but you know, sworn to secrecy and all.

I’ve been sworn to secrecy and haven’t told her father, as he is sure to hit the roof.

Party planners all over town have been sworn to secrecy.

We've all been sworn to secrecy on a blood oath.

A priority matter, about which he'd been sworn to secrecy.

The Doctor finds out about this, but is sworn to secrecy.

The agency, on the other hand, was sworn to secrecy by Northwest.

She was first approached last October and sworn to secrecy.

She and her followers were sworn to secrecy until the beginning of this year.

But he was sworn to secrecy until the official announcement, to be made the next day.

The doctor was sworn to secrecy, and the woman's face remained covered.