rugged terrain

基本解释

In addition to the rugged terrain and isolation, military crews had to contend with mother nature.
除了要應付崎嶇的地形和與世隔絕的環境之外，軍人們還要與自然相抗衡。
But it was hard to stay hopeful lost in rugged terrain, in heavy snow, with no food and few warm clothes.
但是在崎嶇地勢、蒼茫大雪、沒有食物、很少保煖衣物的條件下要一直保持希望談何容易。
bbs.chinadaily.com.cn
This is a very difficult area. It is a rugged terrain it is very high mountains, deep valleys, thickly wooded and forested areas.
他說：“這個地區地形險要，很難以展開軍事行動，充滿了險峰，深穀和茂密的森林。

It's more rugged vehicle and I think it would handle the terrain a little bit easier than some of the other vehicles."
The Germans ordered a small fleet of the Heron drones from Israel Aerospace Industries to help prevent civilian casualties and friendly-fire incidents in the rugged Afghan terrain.
Many of these and there are more than 225 and the number is growing will have to be investigated on location in a country with rugged and hostile terrain.

The rugged terrain on the Iraqi side makes it particularly hard to dislodge them.
NPR: The Escalating Conflict Between Turkey and Iraq