third-degree murder/burglary/assault etcAmerican EnglishAmE murder etc that is considered by a court to be the least serious of three different kinds 三级谋杀/入室盗窃/人身侵犯等third-degree murder/burglary/assault etc• Butch finally pleaded guilty to third-degree murder and was sentenced to 10 to 20 years.
→ third-degree murder/burglary/assault etc at third-degree(2)