(形容词)缺乏自信的;拘谨的;腼腆而不太敢表达自己。(也可指因不确定而显得迟疑、退缩。)
/ˈdɪfɪdənt/
She gave a diffident smile and looked down.
她腼腆地笑了笑,随即低下了头。
Though highly qualified, he remained diffident during the interview, answering in a quiet, careful voice.
尽管资历很强,他在面试中仍显得不太自信,说话轻声而谨慎。
源自拉丁语 diffidere,意为“缺乏信心、不信任”,由 *dis-*(不、离开)+ fidere(信任)构成;进入英语后逐渐固定为“腼腆、缺乏自信”的含义。