dif·fi·dent /ˈdɪfɪdənt/ adjectiveadj SHYshy and not wanting to make people notice you or talk about you 胆怯的,羞怯的diffident manner/smile/voice etc 羞怯的举止/微笑/声音等
diffident about He was diffident about his own success. 他对自己的成功很谦卑。
—diffidently adverbadv
—diffidence noun [uncountableU]