How can you walk about?

你怎么能走来走去呢？

We have to walk about 200 meters and then turn right.

我们要走大约200米然后右转。

He began to walk about, looking up in the trees and at the walls and bushes with a thoughtful expression.

他开始四处走动，向上望着树木、墙壁和灌木丛，脸上带着若有所思的表情。

When they're not training Snow to fight or play card games, these dwarves walk about on stilts to appear taller.

当他们还没有教白雪公主去斗争或玩纸牌时，这些小矮人会在高跷板上走来走去显得他们更高些。

I have to walk about an hour.

我必须走大约一小时的路。