英语翻译
(adv) secretly; privately; without explicit approval
实用例句
- 如果发现农奴私自同居,就会受到残酷鞭打。
If slaves were found living together secretly, they were cruelly whipped. - 本阅览室的参考书不得私自带出。
No reference books are to be taken out of the reading room without permission. - 她除在学校任教外,也私自教授学生。
She takes private pupils as well as teaching in school.