grisly       
adjective uk/ˈɡrɪz.li/ us/ˈɡrɪz.li/
 (尤指因涉及死亡或流血而)令人厌恶的,恐怖的,可怕的
extremely unpleasant, especially because death or blood is involved
  The 55-year-old Canadian had suffered a grisly death. 这位55岁的加拿大人死得很惨。 
 a grisly murder 可怕的谋杀案 
 Synonyms: gruesomemacabre