1. past:
l)从旁过去：
She walked past the house.
她从屋旁走过。
I saw a boy running past my window.
我看见一个男孩从我窗前跑过去。
2)(时间)过了：
It's a quarter past two.
现在是两点一刻。
It must be past five (midnight).
现在准过了五点(半夜十二点)了。
3)超过，无法：
He is far past forty.
他已四十好几了。
The situation is past hope(cure).
情况己不可救药。
2. per:
l)每…:
They're $2.50 per kilo.
它们每公斤两块五美金。
His car does 35 miles per gallon of petrol.
他的汽车每加仑汽油走35 英里。
2)用于percent(美国多连写)：
Over sixty per cent of all families own a television.
百分之六十的家庭都有电视机。
3. Found:
l)围着，环绕：
We might as well sit round the table.
我们不妨围着桌子坐。
He looked round him in astonishment.
他惊异地向周围瞧一瞧。
The Earth goes round the Sun.
地球绕着太阳转。
2)在……范围内：
Let me take you round the town.
我带你到城里看看。
I spent the afternoon going round the factory.
我下午在工厂转了转。
You don’t have to look for her round here.
你不必在这一带找她。
3)表示地点或时(在……前后):
It's just round the corner.
它就在拐角处。
I'11 be back round May Day.
我在五一前后回来。
They arrived round 5 o'clock.
他们是五点前后到的。
