对…缺乏信心 diffident: adj. 1.缺乏自信的。 2.羞怯的,胆怯的。 He is diffident of his success. 他对成功缺乏信心。 adv. -ly brazen diffident: 厚颜无耻的 缺乏自信的diffident - brassy: 羞怯的nerved diffident: 有勇气的 缺乏自信的feel extremely diffident: 心里直打鼓下载手机词典可随时随地查词查翻译