介系詞片語,表示交通方式「用走路的」。常放在句尾或主要動詞後,與 go/come/arrive/travel/get to 等動詞連用。固定用 on,不用 by;不加冠詞,也不用複數(不是 on the/one’s feet)。與 walk 意義相近,但 on foot 強調「方式」,walk 是「動作」。
範例:
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I go to school on foot when the weather is nice.
天氣好時我步行去上學。
其他形式:
go on foot
與 go 搭配最常見,用於回答「How do you go/get to ...?」。語氣自然、考題常見。
範例:
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We decided to go on foot to save money.
我們決定用走的來省錢。
travel on foot
較正式或描述較長距離/旅遊情境時使用;比 go on foot 更具「旅程」感。
範例:
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They plan to travel on foot around the island during winter break.
他們寒假計畫徒步環島。
常見錯誤
✗
I go to school by foot.
✓
I go to school on foot.
表示交通工具通常用 by + 名詞,但「步行」是固定片語 on foot,不能說 by foot。這是考題常見陷阱。
✗
I go to school on feet.
✓
I go to school on foot.
on foot 為固定用法,不加冠詞也不用複數;不要寫成 on feet 或 on the foot。
✗
I walk to school on foot every day.
✓
I walk to school every day. / I go to school on foot every day.
walk 本身就表示「走路」,再加 on foot 會重複;兩者擇一即可。
✗
I go to school foot.
✓
I go to school on foot.
缺少必要介系詞 on;on foot 必須成對出現。
✗
I go to school by walking.
✓
I go to school on foot. / I walk to school.
by walking 可理解但不如 on foot 自然,也較少見於考題。建議用 on foot 或直接用動詞 walk。