detective

The police detective spent months analyzing fingerprint evidence to identify the main suspect.

(Chinese) 警探花了几个月时间分析指纹证据，以确定主要嫌疑人。

She hired a private detective to find out if her business partner was embezzling funds.

(Chinese) 她雇了一名私人侦探，想弄清楚她的合伙人是否在挪用资金。