get within half a mile of Dover
问题描述：
get within half a mile of Dover
如果能翻译成在半年内获得一英里的英国多佛尔港的请自重
答
到达了离多佛尔港不超过半英里的地方.
get within”到达.范围以内“
1 You will get within the law if you move your car back two yards.
如果你把车向后移两码,就属于法律许可的范围之内了.
2 Don't get within range of their big guns; surround the camp from a distance.
不要进入他们大炮的射程以内,要隔一段距离包围住敌营.