You can ask David in a private way.

你可以私下问戴维问题。

youdao

Every morning she took the trolly bus to the Holy Rosary Church, to offer worship in her private way.

每天清晨她都做电车去圣罗萨里教堂，以她个人的方式表示虔诚。

youdao

Her private jet landed in the republic on the way to Japan.

她的私人喷气式飞机在去日本的途中在该共和国降落。

《柯林斯英汉双解大词典》

But sites generally have a way for users to also send private messages and to control access to their pages.

VOA: special.2009.09.14

What does Socrates mean when he says his way of life has been devoted almost exclusively ? to private rather than to public matters?

当苏格拉底说,自己的生活方式,只专注在私人而非公共事务时,是什么意思？

耶鲁公开课 - 政治哲学导论课程节选

When he says that his way of life has been private, he means that he has pursued a policy of, let's call it "the principled abstinence " from public life."

当他提到自己的生活方式是私密的时候，他所提的是他追求一种策略，我们可以称之为，“原则性疏离,公共生活“

耶鲁公开课 - 政治哲学导论课程节选

Congress, in its own private way, has been as busy after the Sequester as the Administration was publicly before it.

FORBES: Will President Obama's Sequester Overreach Undermine His Second Term?

Do they donate in other ways or do they prefer to donate in a more private way, thus not appearing on the radar?

ECONOMIST: How to aid Asia

For example, people who attend an event and want a private way to share photos from a variety of cameras can drop all them into a Dropbox folder.

FORBES: Dropbox Hits 25M Users, Expanding Internationally