1) Crime fiction 2) Tough 3) Tough and unsentimental 4) Tough as they come 1) Stern 
Hardboiled (or hard-boiled) fiction is a literary genre that shares to some degree its characters and settings with crime fiction (especially detective stories). Although deriving from romantic tradition which emphasized the emotions of apprehension, horror and terror, and awe, the hardboiled fiction deviates from the tradition in the detective`s....