四海为家的英文：
[Literal Meaning]
four/sea/become/home
One can make a home at the four seas.

[解释]
四海：各地、到处。什么地方都可以当做自己的家。比喻有志向去别的地方发展和定居。

[Explanation]
to make one's home wherever one happens to be

[例子]
李明年轻的时候四海为家，去过世界很多地方。

[Example]
Li Ming made his home wherever he was when he was young he has been to many places in the world.

Especially as those who stayed permanently in Europe were unusually cosmopolitan in their origins.
特别是那些永远在欧洲住下来的人们，他们压根儿就是以四海为家的。

A cosmopolitan traveler.
四海为家的旅行者

Go where he will, the wise man is at home His hearth the earth, his hall the azure dome.--R.W.Emerson, American thinker
明智者四海为家--地球是他的壁炉,蓝天是他的客厅。美国思想家爱默生

Some persons can be everywhere at home;others can sit amusingly at home and be everywhere.
有些人可以四海为家地无拘无束，也有些人可以静坐家中而神游四海。