短语词组短语brazen diffident 厚颜无耻的;缺乏自信的nervy diffident 勇敢diffident t 羞怯的;缺乏自信的;谦虚谨慎的D diffident 不自信的diffident brazen 害羞的Feel Diffident 心里打鼓nerved diffident 有勇气的diffident a 缺乏自信的diffident about 对…缺乏自信心 返回 diffident