The deliberations of the committee are completely confidential.

委员会的审议过程是绝对保密的。

《牛津词典》

The information is completely confidential.

这些信息是完全保密的。

youdao

This letter is completely confidential.

这封信是绝密的。

youdao

EAPs are free, completely confidential and available not only to the employee but to their families as well.

FORBES: 16 Ways 9/11 Changed The Way We Do Business

Mr Walker suggested a press officer may have leaked the information - Mr Yates said he worked with people he completely trusted to keep the information confidential.

BBC: NEWS | UK | UK Politics | Key points: Cash-for-honours hearing