1. 私人侦探：private bill n私法法案 | private detective 私人侦探 | private enterprise 私营企业

2. 私家侦探, 私人侦探：private company 不公开的公司; 私人公司 | private detective 私家侦探, 私人侦探 | private enterprise 私人企业; 民营企业

1. 私人侦探；私家侦探
A private detective is someone who you can pay to find missing people or do other kinds of investigation for you.

e.g. The money enabled her to hire a private detective to search for evidence that would clear him.
这些钱能让她雇一个私人侦探，帮助他寻找证据洗清罪名。

noun

1. someone who can be employed as a detective to collect information

Synonym: PIprivate eyeprivate investigatoroperativeshamussherlock