He's on foot on the streets.

他只能在街上步行。

My horse took an arrow so I was on foot, slogging through the mud.

我的马中了箭, 我只得步行, 在烂泥地里.

Well, hotch seems to think he was on foot.

Hotch似乎认为他是步行。

Most of their movement  is on foot, averaging a kilometer or two per day.

他们的大部分活动都是步行，平均每天走一两公里。

He doesn't know; he's on foot.

他不知道 他在徒步。

His movements—he was on foot all the time—were afterward traced to Port Roosevelt and then to Gad's Hill where he bought a sandwich that he didn't eat and a cup of coffee.

他的行踪——他一直是步行的——事后查明是先到罗斯福港，从那里又到盖德山，他在那里买了一块三明治，可是并没吃，还买了一杯咖啡。

The discovery that he had been excluded from a share in these negotiations, and even from the knowledge that they were on foot, caused him a surprise hardly dulled by the acuter wonder of what he was learning.

发现他被排除在这些谈判之外，甚至不知道他们是步行的， 这让他大吃一惊， 但他对所学内容的惊奇并没有使他变得迟钝。