Make sure that he won't disclose the information to anybody.

确保他不会把消息泄露给任何人。

youdao

"I have asked the members of the inquiry that the final report of the inquiry will be able to disclose all but the most sensitive information, that is,all information except that which is essential to our national security,"

VOA: standard.2009.06.15

"I do not want to disclose publicly the information we are getting, but we are intensively engaged through a whole variety of different channels, but I do not disguise the fact that we are extremely concerned for the safety of the hostages,"

VOA: standard.2009.07.29

Then again, if all that is true, why did Goldman just not disclose the information?

FORBES: Goldman Under Seige

In 2010, the nation's banking regulator began pressing them to publicly disclose the information.

WSJ: Foreign Banks in China Rev Profit Engines

They're not saying they can't disclose the information, they're just saying you can't litigate on the basis of it.

NPR: Invoking the State Secrets Privilege