S 里面，内部the part near the middle of sth

　paint the ～ of the house　给房子内部涂漆
　on the ～　在〔从〕里面
　from the outside to the ～　由表及里
　the ～ of　…的内部〔内侧〕

　He did not see the inside of the house before he bought it.　他买这栋房子前也没进去看看里面是什么样子。
　The inside of an orange is full of juice.　橙子里面充满了汁液。
　This lock can only be opened from the inside.　这把锁只能从里面打开。
　My insides are crying out for food.　我饿得肚子咕咕直叫。

 ♣ inside out
1. 里朝外with the usual inside parts on the outside
　He put his socks inside out.　他把袜子穿反了。
2. 〈非正〉彻底地，完全地thoroughly; completely
　He knows the subject inside out.　他对这个科目了解得很透彻。
 ♣ on the inside
1. 处于集团〔组织〕内部因而知内情within a group or an organization so that one has direct access to information, etc.
　They must have had someone on the inside to help them break in.　他们一定有内应，协助他们闯了进去。
2. 使用内车道using the lane that is furthest away from the center of the road or motorway
　That taxi tried to pass me on the inside.　那辆出租车试图从内侧车道超过我。

A 内部的；里面的；内侧的forming the inner part of sth; not on the outer side

　I keep my wallet in an inside pocket.　我把钱包放在里面的口袋里。
　I have inside information of their plans.　我有关于他们计划的內部消息。
　The theft appeared to have been an inside job.　这件盗窃案看来是内部人干的。

1. （表示位置或方向）在〔到〕…里面　on or to the inner side of (sb/sth); within
2. 〈非正〉（表示时间）少于　(of time) in less than (sth)

　Two minutes later we were inside the taxi.　两分钟以后我们已经坐在出租车里面了。
　The original owner had written his name inside the cover of the book.　本书原来的主人已在封面内侧写上了名字。
　He had to keep the food inside him if he was going to live.　如果他想活命，肚子里得有食物。
　He will be back inside two days.　他将在两天内回来。
　I looked inside the house.　我朝屋子里面看了一下。
　The young man stepped inside the door.　那个年轻人跨进了门。
　Fury continually rose inside me.　怒火在我心头越烧越旺。
　We have had a map of the game inside our heads.　我们心里已经有了一幅如何进行比赛的蓝图。
　There have been bombing raids up to 150 kilometers inside the country.　这个国家有150公里的地带一直遭受轰炸。
　I was just inside the speed limit.　我离超速只差一点点。
　They did a great deal of good work inside the trade unions.　他们在商业工会内部做了大量的有益工作。
　He parked his car inside of the gate.　他把汽车停在大门里面。
　She will be here inside of an hour.　她一小时之内会到这儿。
　The car broke down again inside of a mile.　开了不到一英里，汽车又抛锚了。
　The pressure inside the container is much greater than that outside the container.　容器内部的压力要远远大于外部的压力。

 ♣ inside, in
　参见in条。
 ♣ inside, into
　二者均可表示“在…里面”，inside常指与外部相接的内部；into仅表示由外入内。
 ♣ inside, within
　这两个介词都可表示“在…里面”。但inside是一般用语，其使用范围较为广泛；而within则是比较正式的用语，在大多数情况下用来指范围较大的地方，指较小的地方时一般强调限于这一范围之内。

　inside　还可用作副词，作“到〔向〕里面”解。例如：
　I left my bag inside.　我把手提包留在屋里了。
　We had to move inside when it started to rain.　外面下起雨来，我们只好回到屋里。

　［同义词］ n. inner part, interior adj. inner, interior, internal, private prep. in, into
　［反义词］ n. exterior, outside adj. open, outer, outside, public prep. outside