艰难困苦

Explanation: Described the situation difficult, difficult. 　　Usage: Joint type; as object, attribute; describe the situation of hard, difficult 　　Source: Qing Li Yu, "How happy the book Pa": "persevering Daddy too careful detail, will make things tried yielded several hardships, enter into marriage only with his good finish." 　　Examples: Chinese Communist Party, its leading organs, and its cadres, its members, is not afraid of any ~ of. (Mao Zedong's "On the strategy against Japanese imperialism") Thesaurus:  Uneven