bru·tal·ize /ˈbrutḷˌaɪz/
  (v.)[使] 具獸性;使殘忍
  Bru·tal·ize v. t. [imp. & p. p. Brutalized p. pr. & vb. n. Brutalizing.]  To make brutal; beasty; unfeeling; or inhuman.
  Bru·tal·ize, v. i. To become brutal, inhuman, barbarous, or coarse and beasty. [R.]
     He mixed . . . with his countrymen, brutalized with them in their habits and manners.   --Addison.
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  brutalize
       v 1: treat brutally [syn: brutalise]
       2: make brutal, unfeeling, or inhuman; "Life in the camps had
          brutalized him" [syn: brutalise, animalize, animalise]
       3: become brutal or insensitive and unfeeling [syn: brutalise,
           animalize, animalise]