inch (give someone an inch and he’ll take a mile )得寸进尺
give someone an inch and he’ll take a mile最初写作give someone an inch and he’ll take an ell。其中inch源自古英语eln(前臂)。ell最初指度量单位,即手肘到指尖的距离。虽然每个人手肘到指尖的距离明显不同,但当时人们将1 ell计算为45厘米。所以,这一短语指如果向某人做出些许让步,那么他/她就会得寸进尺。