I've always been afraid lf heights.我一直害怕恐高.
She was afraid for her children.她为她的孩子们担心.
(that从句)They were afraid that their teacher would find out.他们担心老师会发现 .
(表sorry)I'm afraid you've completely misunderstood the question.恐怕你完全误解了这个问题.
I'm afraid that we can't come this evening after all.恐怕我们今晚依然无法前来.
“Was she impressed with our work?” “I'm afraid not.”“她赞赏我们的工作吗?” “恐怕不.”
不知道亲还满意不.