A domesticated polecat-like mammal kept for hunting or as a pet

• Also, the black-footed ferret, a North American wild species

一种家养的雪貂，似鼬，用于狩猎或作宠物

• 也指黑足雪貂，一种北美野生物种

A persistent, inquisitive searcher

勤勉而好打听的搜寻者

To hunt rabbits or other game using ferrets

用雪貂猎捕兔等穴居动物

To search tenaciously and uncover something hidden

• Often used as ferret out

彻底搜寻并把隐藏的信息揪出来