He met a bum while walking down the road.

他走在路上，碰到了一个流浪乞丐。

She was wearing a short dress and walking down the road .

她穿一件短的礼服并且步行沿着向下路。

That girl is so spaced - out that she is walking down the middle of the road completely nude.

那个女孩神智不清，竟然不穿衣服走在马路中央。