镜音双子视频下载:词组be afraid of 后边可以跟什么词？

词组be afraid of 后边可以跟什么词？ 有be afraid with sb这个词组吗? be afraid to do 与 be afraid of doing 有什么区别? Don't be afraid of diffculties.对吗? 用Don't be afraid of 造句 We have no need to be afraid of them. be afraid of losing each other什么意思？ be afraid of sth. 和 be terrified of sth.有什么区别？ 关于be afraid be worth of和be worthy of这两个词组都存在吗？有什么区别？