within

prep.在(某段时间、距离或范围)内；在…里面

adv.在…里面

n.内部

I'll be coming within an hour. 一小时之内我就会到。

No fishing is allowed within a twenty mile limit. 二十英里范围内不准垂钓。

This is a task well within your ability. 这完全是你力所能及的工作。

Within these old walls there was once a town. 在这些旧城墙里面曾经有一座城市。

The noise seems to be coming from within the building. 吵闹声像是从楼房里传出来的。

He decorated his house within and without. 他装修房屋的里面和外面。

Seen from within, the cave looks larger. 从内部看这山洞显得比较大些。

within表示状态时还可作“在…内心里”解; 表示环境时作“在(某组织、团体等)的成员当中”解; 表示数目时作“不超出”解。

within还可用作副词,意思是“在内, 在里面, 在屋内；在内心”。例如：The house has been painted within and without.房子内外都油漆过了。