我在树林里看到一只深色的小动物，可能是只臭鼬。

I saw a small dark animal in the woods - it might have been a ___polecat.

那个家伙是个彻头彻尾的卑鄙小人，总是暗中捣鬼。

That guy is a complete ___polecat, always playing dirty tricks behind people's backs.