山外有山的英文：
mountains beyond mountains

mountains是什么意思：
n. 山；山脉；大量

a chain of mountains/a mountain chain
连绵的山[山脉]

If the mountain will not come to Mahomet, Mahomet must go to the mountain.
如果山不走向穆罕默德，穆罕默德就必须自己走向山。

Snow covered the mountain. = The mountain was covered with snow.
白雪漫山

There's a grand view of the mountains.
这儿可以看到群山的壮丽景象。

carry a road into the mountains
使路延伸至山地

beyond是什么意思：
prep. 那一边；在...较远的一边；超过；越过
adv. 在远处；在更远处
n. 更远处；来世

Beyond the scope
越出范围

Beyond the seas
在国外,在海外

Beyond gainsay, it is a genuine Rembrandt.
无可否认地，那是真的伦布兰特（的画）。

Beyond one's grasp
鞭长莫及

His behavior was beyond bearing.
他的行为令人忍无可忍。