x染色体单体型:i'm afraid so, “恐怕是的”有这种用法么？

i'm afraid so.怎么解释? i'm afraid so, “恐怕是的”有这种用法么？ i'm afraid to和i'm afraid of doing 之间的区别是什么？ I'm afraid of doing 和I'm afraid to do 有什么区别 选择题 I'm afraid that no one knows ___. Oh, I'm afraid that doll may be ( ) expensive. I'm so hot 的歌词 I'm not running because i'm afraid 感觉这句不通？ Sorry, I’m afraid not 是什么意思? dear, i'm afraid i have to leave now 帮翻译下，谢谢了！