It became our secret.

它成了我俩的秘密。

youdao

It'll be our secret, and you should keep the secret.

这是我们的秘密，你应该保守这个秘密。

youdao

Our secret weapon was similar.

我们的秘密武器也差不多。

youdao

"Also,in the form of fighting terrorism. There is nothing new that now after 9/11, in the global fight against terrorism, that secret places of detention again came to the forefront of our attention, of course,in the context of CIA practices, but going far beyond that."

VOA: standard.2009.03.21

The 34 agents used in the tours are one half of one percent of our Secret Service work force.

FORBES: Move up http://i.forbesimg.com t Move down

If you want to read about us my book is called Me and MrMicrosoft Our Secret Life, by Roxann Storm.

FORBES: Paul Allen and Rodney Dangerfield: Neither Got Enough Respect.

And our secret services have uncovered plans for more attacks.

BBC: Sochi 2014: Russia's Olympic security concerns