杀人不见血

kill sb. by subtle means

* 的英语翻译：

murder; homicide; manslaughter
【医】 homicide

不见的英语翻译：

disappear; not meet; vanish

血的英语翻译：

blood; lifeblood; related by blood
【医】 blood; haem-; haemato-; haemo-; hem-; hemat-; hemato-; hemo-; sangui-
sanguis