杀人不眨眼

Explanation: When the eyes are blinking murder. Described as extremely violent and savage. 　　Usage: Complex sentence; as attributive, clause; with derogatory 　　Source: Song Interpretation Lifeline "Five dollars Lantern" Volume 11: "You are almost no smell brutal generals?" 　　Examples: Yang Lin is ~ the devil, met not feel hair erect, cold body shaking uncertainty. (Qing Chen Chen, "Water Margin after the transfer," the 24th back) 　　Riddle: Executioner Thesaurus:  kill without spilling blood, kill by subtle means