在上

1. 水泥未乾时不要在上面行走。
   Don't walk on the wet cement.
2. 她准是暗地里一直在上课。
   She must have been having lessons on the sly.
3. 飞机在上空发出嗡嗡声。
   An aircraft droned overhead.
4. 我们在上半场赢了（领先於对方）两个球。
   We were two goals up (ie ahead of the other team) at half-time.
5. 现在一种新型小汽车正在上市。
   A new type of car is on the market now.
6. 那匹马肯定会赢，把你所有的钱都押在上面吧。　
   That horse is bound to win; put your shirt on it.
7. 绿皮书在那一堆书的底下，红皮书在上边。
   The green book is at the bottom of the pile and the red one is on top.

上的英语翻译：