He was walking on the sidewalk.

他正走在人行道上。

youdao

He stopped walking on the sidewalk.

他在人行道上停下来。

youdao

Within walking on the sidewalk, there is no sidewalk to walk on the roadside.

范围内的人行道上行走，没有人行道上走在路边。

youdao

And: "All around, people looking half-dead, walking on the sidewalk, hotter than a match head."

VOA: special.2009.06.22

Walking back to the subway I passed a chubby man in his early thirties selling Northface and Burton trucker style hats on the sidewalk.

FORBES: Connect