The accidental death during a drunken argument was ruled as manslaughter, not murder.

manslaughter 由 man（人）和 slaughter（屠杀）组成，字面意思是"杀人"。在法律术语中特指"非预谋的杀人罪"，即"过失杀人"，与有预谋的谋杀（murder）相区别。