Our leader enjoined on us the neccessity for strict secrecy.

我们的领导要我们务必严守机密。

youdao

As he told me his plan in strict secrecy, I cannot tell you anything about it.

他把计划告诉我，我要严守秘密，因此我不能对你有任何透露。

youdao

Quality must be consistently high and the work often involves strict secrecy, all of which argues for keeping it in-house.

持续保持高质量而这些工作常涉及高度机密，所有这一切却都要求将外包业务内部化。

youdao

And they typically come with strict secrecy orders, barring the recipient from acknowledging the case to anyone but attorneys.

WSJ: Judge Strikes Down Secretive Surveillance Law

Special technology has been installed to jam any mobile phones or other devices which could breach the strict secrecy of the process.

BBC: Cardinals gather for final pre-conclave discussions

During this period all the cardinals - retirees included - will begin to discuss in strict secrecy the merits of likely candidates.

BBC: Conclave: How cardinals elect a Pope