ferret out
US /ˈfɛrɪt aʊt/
UK /ˈfɛrɪt aʊt/
1.
查明, 搜出, 发现
to discover or find out something, especially something hidden or difficult to find
:
•
The detective managed to ferret out the truth after weeks of investigation.
经过数周的调查，侦探设法查明了真相。
•
It took a lot of effort to ferret out all the necessary information.
费了很大力气才查出所有必要的信息。