fox

He's a cunning/sly/wily old fox.

他是一个狡猾／阴险／诡计多端的老狐狸。

The fox quickly ran through the forest, searching for food.

狐狸迅速穿过森林，寻找食物。

This puzzle has well and truly foxed me!

这个谜真把我给难住了！