Don't stand above the masses.

　　勿高踞于群眾之上。(比喻一非正上方)

　　The mountain is 700 feet above sea level.

　　這座山海拔700 米。(非正上方)

　　There is a small building below the hill.

　　山下有座小樓房。(非正下方)

　　There is a submarine under the water.

　　水下有艘潛水艇。(正下方)

　　Water was found ten feer below the surface.

　　在地面下10 英尺處找到了水。(非正下方)

　　The peasants are cooling themselves under the trees.

　　農民們正在樹下乘涼。(正下方)

　　over under正上下，低高below 與above

　　The temperature in the room is below (or under)30℃。

　　室溫是攝氏30 度以下。(數(shù)量詞兩者皆可)

　　Do you have anything in the way of computers below (under)$10000?

　　你們有哪些價格低于10000 美元的計算機?

　　(數(shù)量詞兩者皆可〕

　　beyond 超出、無、不能

　　例：It's quite beyond me (It is more than I can understand)。 這我完全不懂。

　　Don't stay out beyond 10 o'clock.

　　不要在外呆到10 點以后還不回家。

　　But the gratitude from the bottom of my heart to the students and my old colleagues