马是一种有四只脚的动物。

A horse is an animal which has four legs.

你要像四只脚著地，这样你能在这个世界立足。

Keep grounded so it's like you have four legs, that way you can stay in this world.

我们决定要做一个用四只脚爬行的机器人，它变成一只小狗，然后小步走路。

We decided that we were going to have a four-legged crawler turn into a little dog and make small gaits.

在神话故事中，人类有四只手，四只脚，两张脸。因为恐惧，宙斯把他们一分为二，让他们只能不断地寻找另外一半。宙斯失算了。

In mythology, humans had four arms, four legs, and two faces. Fearing them, Zeus split them into two, forcing an eternal search for their other half. Zeus failed.