Rise to your feet when the visitor comes in.
来宾进来时请大家站起来.
With great effort,he rose to his feet.
他鼓起劲,站起身来.
The room is15 feet in length and 10 feet in breadth.
这房间长15英尺,宽10英尺.
We suspect the Government of dragging their feet.
我们怀疑政府在拖延.