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》

Li Ming and I took part in a wilderness survival program yesterday. Just before the dawn, we set out on foot in high spirits.

昨天我和李明参加了一个野外生存训练。就在黎明前，我们兴高采烈地步行出发了。

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The luxury line clearly attracts potential consumers who, once they set foot on our auto lot, purchase a wide variety of automobiles that generate revenue for this dealership.

这条豪华产品线显然吸引了潜在消费者，一旦他们踏上我们的汽车市场，他们就会购买各种各样的汽车，为经销商带来收入。

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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

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

Ever since the last president election, Rand Paul hasn't set a foot wrong.

CNN: Rand Paul vs. Hillary Clinton, clash of titans

Kraft hits a series of fine shots to set up a 12-foot par putt to win the hole and square the match.

FORBES: The Sadness (And Salvation) Of New England Patriots Owner Robert Kraft

U.S. soldiers, Marines and Iraqi police set off on a foot patrol.

NPR: On Patrol with the Iraqi National Police