不良人

不良人	bù liáng rén	(Tang dynasty) official responsible for tracking down and arresting lawbreakers
不	bù	no; not so / (bound form) not; un-
不良	bù liáng	bad; harmful; unhealthy / (of a device, connection, material etc) defective; faulty
良	liáng	good / very / very much
良人	liáng rén	husband (arch.)
人	rén	person; people / CL:个,位