to be under someone's feet: 擋某人道；妨礙某人工作

Someone's home will have the pitter-patter of tiny feet. 某家人馬上要有新生命降生了。

Someone does not let grass grow under his feet. 某人經(jīng)常搬動(dòng)，不在一個(gè)地方長(zhǎng)待。

to be able to think on his feet: 能思考會(huì)行動(dòng)

to have the world under one's feet: 征服世界；掌控一切

to have both feet firmly on the ground: 腳踏實(shí)地；講求實(shí)際

to have two left feet: 沒(méi)有舞蹈天賦（本意是有兩只左腳）

to get one's feet wet: 試水；開(kāi)始參與

to get one's foot in the door: 入門(mén)；開(kāi)始做某事

to get a firm foothold: 站穩(wěn)腳跟

to jump in with both feet: 全情投入；

to be dead on one's feet:精疲力盡

to put one's feet up: 休息；

to get cold feet: 臨陣萎縮

to get one's feet back: 重新站穩(wěn)腳跟

to hold one's feet to the fire: 給某人壓力，讓某人做某事

to drag one's feet: 故意拖拉

to land one one's feet: 運(yùn)氣不錯(cuò)，化險(xiǎn)為夷

to find one's feet in a new area: 進(jìn)入某個(gè)新領(lǐng)域

to foot the bill: 買(mǎi)單（foot作動(dòng)詞）