Black book
01
黑名单, 黑书
*** a list of persons who are disapproved of or are to be punished or boycotted
02
黑名册, 黑名单
a list with contact information of people whom one secretly communicates with
Idiom
Informal
例子
The CEO 's assistant was entrusted with the company 's black book, which held the contact details of clients involved in discreet business transactions.
CEO的助手被委托保管公司的黑名单，其中包含了参与谨慎商业交易的客户的联系信息。
in one's black books
01
*** having fallen out of favor with someone.
