惊涛骇浪

Explanation: Raging waves scary. Analogy dangerous environment or sharp battle. 　　Usage: Joint type; as object, attribute; describe the rough 　　Source: Tang Tian Ying "Collected Works of Yushan Chang Hai Yun Lou mind": "people when the only quiet time, thinking, and each of the previously assumed by the storm, not a bad idea Tiran." 　　Examples: They feel the body instability, as if in the boat, ~. (Tao, "earth") 　　Riddle: Hydrophobia Thesaurus:  wind and waves; great upheavals, flaw roller, barney, Very high sea Wild waves, a great disturbance, choler