He is good at hiking

徒步───on foot;旅行───travel

I left my car in a lay-by and set off on foot.───我把车留在路侧停车带，开始步行。

I go to school usually on foot.───我上学通常是走路去.

Many people were on foot.───许多人步行。

He vainly hope to travel round the world on foot.───他梦想步行周游世界.

He got up at four and set out on foot to hunt black grouse.───他4点钟起了床，徒步出发去猎杀黑琴鸡。

Today they came here on foot.───今天他们走路来的.

Nowadays people like travelling on foot.───现在人们喜欢徒步旅行.

I will pay for a hack. There is no need for you to return home on foot.───我会花钱打辆出租车。你没有必要步行回家。

In a pinch, you could get home on foot.