It takes half an hour to go on foot from my home to my school and back.

从我家到学校来回要走半小时。

《新英汉大辞典》

Then her mother gave her a knife, and said, "Cut a piece off your heel. When you are queen you will no longer have to go on foot."

她妈妈给了她一把刀，说，“把脚后跟削掉一部分，只要你当上了王后，还在乎这脚趾头干嘛，你想到哪儿去根本就不需要用脚了。”

youdao

We'll go to the campsite on foot.

我们步行去营地。

youdao

They go on foot to save fuel and only take the car when the situation requires it.

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