发起；开始实施
...shout do... set on fire使燃烧；使情绪激动；... set on foot着手... set out动身； 出发；着手；...
... set foot on Chinese soil踏上中国国土 set on foot开始,发动 spring to one's foot跳着站起来 ...
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。
It was the first time I had set foot on African soil.
那是我第一次踏上非洲大地。
It was the first time I had set foot on American soil.
那是我第一次踏足美洲大地。
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.
Five sailors from Devonport-based HMS Sutherland have set off on foot from Scotland to race their ship 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.