detective work

US /dɪˈtek.tɪv wɜːrk/
UK /dɪˈtek.tɪv wɜːrk/
"detective work" picture
1.

偵探工作, 調查工作

the work of a detective; investigation, especially to solve a crime or mystery

:
It took a lot of detective work to figure out who stole the cookies.
找出是誰偷了餅乾需要大量的偵探工作
Her job involves a lot of detective work, piecing together clues from various sources.
她的工作涉及大量的偵探工作,將來自各種來源的線索拼湊起來。