&I{Usage Problem} Within
&I{【用法疑难】} 在…以内
inside of an hour.
在1小时以内
With the inner surface turned out; reversed
把内里翻出来的；翻转的
wore the sweatshirt inside out.
把运动衫反过来穿
&I{Informal} As completely as possible; thoroughly
【非正式用语】 尽可能完全地；彻底地
knew the city inside out.
对这个城市非常了解
In a position of confidence or influence.
处于核心地位：处于自信或有影响的地位