请仔细研究我们所提的条款和条件。特别是关于进行转让的先决条件，即保守秘密的条款。 Please study carefully our terms and conditions, especially the terms on secrecy, a pre-requisite for this transaction.
我要她起誓对我告诉她的事保守秘密。 I swore her to secrecy about what I had told her.
你会保守秘密的，是吧！ You'll keep it to yourself, won't you?
