afraid

afraid, fearful, awful, dreadful, frightful, terrible, horrible, terrific, appalling

这些形容词均含“害怕的、可怕的”之意。
afraid: 指由于胆小或怯懦而不敢说或做某事。
fearful: 普通用词，既指外界情况变化而引起的恐惧，又指来自内心的害怕与焦虑。
awful: 指威严得令人害怕或敬畏，有一定的感情色彩。
dreadful: 指使人非常恐惧，毛骨悚然，也使人感到讨厌而退缩。
frightful: 指使人陷入短暂的惊恐或产生毛骨悚然的感觉。
terrible: 侧重指给人以长久的惊骇，极端的恐怖，令人难以忍受。
horrible: 指因骇人听闻的丑恶而令人毛骨悚然，着重厌恶的成分多于害怕。
terrific: 多指外表、形状或力量等的可怕。
appalling: 指既令害怕又使人惊异、胆寒。

形容词 afraid:

1. filled with fear or apprehension
2. filled with regret or concern; used often to soften an unpleasant statement
3. feeling worry or concern or insecurity
4. having feelings of aversion or unwillingness

1. `Have we missed the train?' `I'm afraid so.'
   ‘我们误了火车了吗?’‘很遗憾，是误了.’
2. I can't help you, I'm afraid.
   我帮不了你的忙，对不起。
3. `Have you any milk?' `I'm afraid not.'
   ‘你有牛奶吗?’‘对不起，没有.’
4. I didn't mention it because I was afraid of upsetting him/afraid (that) I might upset him.
   我没有提起那件事，因为我怕他心烦意乱。
5. I'm afraid we can't come.
   很抱歉，我们不能来。
6. Are you afraid of snakes?
   你怕蛇吗?
7. Don't be afraid (ie Don't hesitate) to ask for help if you need it.
   倘若需要帮忙的话，尽管提出来(不必犹豫).
8. She was afraid that the dog would bite.
   她害怕这狗会咬人。