1.The police failed to ferret out the truth.

1.警察未能查明。

2.She’s determined to ferret out the truth.

2.她决心查明。

3.Resembling an overgrown ferret, the Jarvey is one of the few beasts that can actually talk.

3.成年雪貂一样，土扒貂是极少数讲话的动物之一。

4.German ferrets constantly spied on the Allied prisoners of war.

4.德国侦探经常盟军的战俘。

5.The police ferreted about all over the house for clues.

5.警察为寻找线索把那屋子里里外外都搜遍了。