n.a photograph of someone's face (especially one made for police records)
同义词：mugshot
英汉双解大词典
mug shot(mugshots)
1.
N-COUNT（可数名词）
A mug shot is a photograph of someone, especially a photograph of a criminal which has been taken by the police. (警方拍摄的罪犯或嫌疑犯的)面部照片 [非正式]