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。

《柯林斯英汉双解大词典》

It was the first time I had set foot on African soil.

那是我第一次踏上非洲大地。

《牛津词典》

It was the first time I had set foot on American soil.

那是我第一次踏足美洲大地。

《牛津词典》

Mars Day offered Allison and Alysia's children a chance to learn more about a world that humans may set foot on within their lifetimes.

VOA: special.2010.07.28

In the close to forty years since, no one has set foot on the moon.

VOA: special.2010.04.28

Also left forever on the moon is a sign with these words: "Here men from the planet Earth first set foot on the Moon July,nineteen sixty-nine A.D.

VOA: special.2009.07.15

My wife, who works on the Guardian newspaper, set off on foot to make the one and a half miles to her office, and it took her two and a half hours 'cause she was constantly being directed further and further north.

NPR: Novelist Ian McEwan: Attacks Resulted in Solidarity

Five sailors from Devonport-based HMS Sutherland have set off on foot from Scotland to race their ship back to Plymouth.

BBC: Sailors race warship HMS Sutherland back to Plymouth

Mr White said he then set off on foot searching the estate for his girlfriend, before calling Mr Hyatt from a phone box asking him to collect him.

BBC: Barri White arriving at Luton Crown Court