off the record
不被公开，不列入正式记录
正式或口语·表示非公开谈话
英文释义
not for publication or public knowledge; unofficial or confidential
例句
Just between us, off the record, the boss is thinking of resigning.
典故来源
源自新闻行业，记者与消息源约定不公开信息，保持机密。