1、
Then enjoining him to keep It'strictly confidential, he told him the whole story.
叮嘱他严守秘密, 然后把这事讲出来.
汉英文学 - 围城
2、
We'll take good care and keep what you've told us strictly confidential, Mr. Lane.
莱恩先生，我们会非常小心，对您告诉我们的事严格保密。
《柯林斯高阶英汉双解学习词典》
3、
An auctioneer shall keep the identity of his client or vendee confidential if so requested.
第二十七条委托人应当向拍卖人说明拍卖标的的来源和瑕疵.
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