We've arranged a walking tour of the city with your guide.

我们已经和你的导游安排了一个城市步行游览。

He has gone on a walking tour.

来了一个实业家的观光团。

He has gone on a walking tour.

他徒步旅行去了。

I wore out two pairs of boots on the walking tour.

我徒步旅行穿坏了两双靴子。

I wore out three pair of boots on the walking tour.

我徒步旅行就穿坏了三双靴子。