大风大浪

Explanation: Refers to the huge waves. Metaphor of social turmoil, big change. Also be used to sharp, complex, intense, difficult struggle. 　　Usage: Joint type; as subject, object; that fierce struggle 　　Source: Mao Zedong, "the Chinese Communist Party National Conference on Propaganda Work of speech": "not terrible storms. Human society is developed from the storms in the." 　　Examples: But in the end is the result of numerous ~ she's well aware of the trouble can not escape, and only beginning to recover hard top. (High-Yang "mother Gong") Thesaurus:  flaw roller, barney, Very high sea Wild waves, perilous situation, a great disturbance, choler