艰难险阻

Explanation: On the road ahead difficult, dangerous and obstacles. 　　Usage: Joint type; as object, attribute; describe the experience of a very difficult position 　　Source: Hengyu "Zuo Xi twenty-eight public": "Nineteen years marquises of Jin carry out, while the fruit was Jin, danger and hard, blazing the carry on." 　　Examples: Antarctic expedition team members, overcome a variety of ~, and finally to complete the inspection task. Thesaurus:  rough indignation, be travel-worn and weary, be at its lowest ebb, bumpiness, a narrow path, (of road surface)full of bumps and hollows, roughness byway, Shanqiongshuijue Antonym Group:  bright esplanade, royalroad, highway esplanade, open road, yangguandao, Shine esplanade have the world at one's feet