缺乏自信用英语怎么说？

缺乏自信

例句

• a lack of self-confidence 缺乏自信
• Self-distrust is the cause of most of our failures. 我们绝大多数的失败都是因为缺乏自信之故。
• She's not usually lacking in confidence. 她平时并不缺乏自信心。
• Many people are fettered by lack of self - confidence. 许多人都因缺乏自信心而缩手缩脚.
• He failed through diffidence. 他因缺乏自信而失败.
• What women mistake as thoughtlessness is often just diffidence. 女性误以为是考虑不周的事情往往只是缺乏自信。
• Lacking self-confidence and maturity, many teenagers are left feeling very vulnerable. 许多十几岁的孩子既缺乏自信又不够懂事，所以感情上十分脆弱。
• He had emerged from being a hesitant and unsure candidate into a fluent debater. 他从一个吞吞吐吐、缺乏自信的候选人成长为口若悬河的辩论者。