Eng: Rugged...

險

Dangerous, Narrow, Rugged, Strategic

嶇

Rough, Rugged, Sheer, Steep

峭

Precipitous, Rugged, Steep

崎

Mountainous, Rough, Rugged, Uneven

儊

Rough, Rugged

刻

Carve, Cruel, Detailed, Engrave, Heartless, Oppressive, Quarter, Rugged

堅強

Rugged, Strong, Tough