prep.在…内My house is within walking distance of my univercity.我家离我工作的大学很近，走过去就行了。
to live within one's income量入为出
within the city在城里
We live within earstot of the factory whistle.我们住的地方听得见工厂汽笛声。
He learned to speak English within six months!他在六个月之内学会了说英语。
Within these old walls there was once a town.在这些旧城墙里面曾经有一座城市。
Success is within our grasp now.现在成功已经在望。
Please stay within hearing.请不要跑到叫得应的距离以外去。