/'gɑ:stlɪ; [US] 'gæstlɪ; `ˇæstlɪ/
adj (-ier, -iest)
1 [usu attrib 通常作定语] causing horror or fear 可怕的; 恐怖的
*a ghastly accident, experience, fright, murder 可怕的事故、经历、惊吓、谋杀.
2 (infml 口) very bad; distasteful 极坏的; 糟透的; 令人反感的
*a ghastly error, mess, mistake, etc 极大的过失、混乱、错误等
* Her hairdo and make-up look positively ghastly! 她的发型和脂粉看上去真令人恶心!
* What a ghastly man! 多讨厌的人!
3 [usu pred 通常作表语] ill; upset 有病; 不适; 苦恼
*I feel ghastly; I shouldn't have drunk so much! 我觉得很不舒服, 我不该喝那么多!
* I felt ghastly about refusing, but I had no alternative. 我觉得要加以拒绝很不是滋味, 但我别无他途.
4 (fml 文) very pale and death-like in appearance 苍白的; 死一般的
*You look ghastly; are you all right? 你脸色很难看, 是不舒服了吗?
* She had a ghastly pallor. 她脸色苍白难看.
* His face was a ghastly white. 他脸色苍白.

adj
[Date: 1300-1400; Origin: gast 'to frighten' (11-17 centuries)]
very bad or unpleasant
= horrible
　a ghastly little hotel
　The whole thing was a ghastly mistake.
　The weather was ghastly.
making you very frightened, upset, or shocked
　a ghastly accident
look/feel ghastly
to look or feel ill, upset, or unhappy
　Are you all right? You look ghastly!
>ghastlinessn[U]