dif·fi·dent
adjective/ˈdɪfɪdənt/
/ˈdɪfɪdənt/
- diffident (about something) not having much confidence in yourself; not wanting to talk about yourself
缺乏自信的；胆怯的；羞怯的 - a diffident manner/smile
畏首畏尾的态度；羞怯的一笑 - He was modest and diffident about his own success.
他很谦虚，不愿谈及自己的成功。 - She felt diffident about speaking in public.
她对在公共场合讲话感到羞怯。 - Greg was the quiet, diffident type.
格雷格是那种文静、羞怯型的人。
Word Originlate Middle English (in the sense ‘lacking confidence or trust in someone or something’): from Latin diffident- ‘failing in trust’, from the verb diffidere, from dis- (expressing reversal) + fidere ‘to trust’. - a diffident manner/smile