水火无情

Explanation: Refers to the terrible floods and ferocious fire. 　　Usage: The main predicate; as subject, complement, clause; refers to water and fire is tough talk 　　Source: Yuan Yang Zi "Yu Rang swallow charcoal" Second off: "I Ku Ming the city, where it should be outside together, I discovered Shuihuowuqing teach Zhi Bo." 　　Examples: Boye "Golden Apple" Session 4: "~ and more frightening for others to worry about really stupid."