1.on foot步行；在筹划中，（计划）在进行

I used to go to work on foot.

我往常都是步行去上班。

I go to school usually on foot.

我上学通常是走路去。

He vainly hope to travel round the world on foot.

他梦想步行周游世界。

I missed the regular bus, so I had to go to work on foot.

早上没赶上班车，没奈何只好步行去上班。

The city is best explored on foot.

最好是徒步考察这个城市。
We came on foot.

我们是走来的。

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。

From here we plan several sorties into the countryside on foot.

我们计划了几次从这里出发徒步去乡间的短途旅行。

I left my car in a lay-by and set off on foot.

我把车留在路侧停车带，徒步而行。

The storm got worse and worse. Finally, I was obliged to abandon the car and continue on foot.

暴风雨愈发猛烈，我最终不得不弃车步行。

The reporter said a civil rights demonstration was on foot.

记者报导说正在计划举行一次民权示威游行。

A plan’s on foot to invite the Minister of Health to visit our hospital.

邀请卫生部长来访问我们医院的计划正在着手进行。

2.on one’s feet站着，站起来，痊愈，经济独立

I've been on my feet all day.

我已经站了一整天。

They were unsteady on their feet and rather uncoordinated.

他们站立不稳，协调性较差。

Everyone was on their feet applauding wildly.

每个人都站起身来热烈鼓掌。

The Minister was on his feet at once to answer the charge.

部长立即站了起来，答复那个指控。

As a boxer, he was always light on his feet.

身为拳击手，他的脚步总是十分轻盈。

Despite his bulk he moved lightly on his feet.

尽管他身形庞大，移动起来还是很灵巧。

He has good looks and charm, and always falls on his feet.

他长得很帅，也有魅力，总是走好运。

When his parents died he had to learn to stand on his own two feet.

他的父母去世后他不得不学会自立。

She is on her feet.

她在经济上是独立的。

Sue's back on her feet again after her operation.

休手术后又恢复健康了。

The medicine will soon have you on your feet again.

这种药很快就会使你恢复元气。

You need someone to take the pressure off and help you get back on your feet.

你需要有人为你分担压力，帮你恢复元气。

The new chairman hopes to get the company back on its feet within six months.

新董事长希望在六个月以内使公司恢复元气。

Ever since then the Chinese people have stood on their feet.

我们中国人从此站立起来了。