能组成的单词是 afraid,意思是害怕、惧怕,例如:1、I started to feel afraid of going out alone at night.我开始害怕夜间单独外出了。2、She seemed a little afraid of going inside.她好像有点害怕进去。3、His mere presence made her feel afraid.他当时在场,这就足以让她害怕了。