从 on one’s back 看 on 的一个特殊用法有本书上说 on one’s back 有两个意思:一是表示“在背上”,二是表示“仰着身子”
如何理解它表示“仰着身子”的含义呢
这是一个很有意思的问题
介词 on 表示位置时,意为“在
上面”,指两个物体接触
on one’s back 指“(物体)在人的后背上”
例如:The tourist carried a pack on his back
观光旅行者背了个包
The old man bent with a heavy burden on his back
老人因背著重负而弯腰
The burden on his back seemed to be crushing him to the earth
他背上的重负似乎要把他压倒在地
I patted him on his back, and told him what a brave boy he was
我拍了拍他的后背,称赞他是个勇敢的孩子
The man with a sack on his back is a farmer
背着一个大布袋的人是个农民
此外,on 还有一个意思就是,“(身体重量)由(某部位)支撑”: You use on to say what part of your body is supporting your weight
这类短语名词一般是人的身体部位,与 lie, stand, stay, remain, be 等动词连用
on one’s back 当跟动词 lie 连用时,即 lie on one’s back 表示“仰着身子”,这时候的 on,即表示“由
例如:He continued to lie on his back and look at the clouds