detective

a. 侦探的
n. 侦探

The company hired a detective to investigate the accident.

公司雇佣了一名侦探来调查这次事故。

I could now see what the detective was driving at: he was trying to establish my whereabouts on the night of the crime.

我现在能够明白侦探的意思了：他那时正试图确定案发那天夜晚我的行踪。