私下的

Her public stance was much tougher than her private feelings on the subject.

在这一问题上，她公开的立场比她私下的态度要强硬得多。

Columban introduced to Europe the Irish penitential discipline, including private confession.

高隆邦把包括私下忏悔在内的爱尔兰苦修条例介给了欧洲。

The house was sold by private treaty.

这座房子是通过私下订立协议出售的。