Okay, I may have agreed to this insane situation, but I did not agree to break my client's confidentiality with you.
我是答应了要接这个烂摊子，但可没答应破坏我对委托人的保密义务。
绯闻女孩 第5季
He wouldn't tell me where Charlotte was-- client confidentiality-- so I hired him to find you.
他不肯告诉我夏洛特在哪里说是客户机密所以我雇佣他来找到你。
英语百科
Client confidentiality
Client confidentiality is the principle that an institution or individual should not reveal information about their clients to a third party without the consent of the client or a clear legal reason. This concept is commonly provided for in law in most countries.