cal·lous /ˈkæləs/
  (a.)痲木的,無情的,堅硬的,硬結的,起老繭的(vt.)使硬結,使痲木
  cal·lous /ˈkæləs/ 形容詞
  胼胝狀的,硬的
  Cal·lous a.
  1. Hardened; indurated.  “A callous hand.” --Goldsmith. “A callous ulcer.” --Dunglison.
  2. Hardened in mind; insensible; unfeeling; unsusceptible. “The callous diplomatist.”
     It is an immense blessing to be perfectly callous to ridicule.   --T. Arnold.
  Syn: -- Obdurate; hard; hardened; indurated; insensible; unfeeling; unsusceptible. See Obdurate.
  -- Cal*lous*ly, adv.
     A callousness and numbness of soul.   --Bentley.
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  callous
       adj : emotionally hardened; "a callous indifference to suffering";
             "cold-blooded and indurate to public opinion" [syn: thick-skinned,
              indurate, pachydermatous]
       v : make insensitive or callous; deaden feelings or morals [syn:
            cauterize, cauterise]