callous

adj.无情的, 冷淡的, 硬结的, 起老茧的

call sb out, call sb/sth off, call sb/sth up, call sth, call sth forth, call the roll, call up, call-box, call-girl, call-in, call-up, call...to account, caller, calligrapher, calligraphy, calling, calling-card, calliper (also caliper), callisthenics (also calisthenics), callosity, calloused, callously, callousness, callow, callowness, callus, calm, calm down, calmly, calmness, Calor gas, calorie, calories, calorific, calorimeter, calory, calumniate, calumnious, calumny, calve,