求翻译：摘 要：自信心是一种反映个体对自己是否有能力成功地完成某项活动的信任程度的心理特性，是一种积极、有效地表达自我价值、自我尊重、自我理解的意识特征和心理状态。自信心的个体差异不同程度地影响着学习、竞赛、就业、成就等多方面的个体心理和行为。作为当代大学生，我们必须具有足够的自信心来面对学习、生活以及社会各方面的挑战。是什么意思？

Abstract: The self-confidence is a reflection of the individual whether they have the ability to successfully complete a psychological characteristics of the level of trust is a positive, self-expression values, self-respect, self-understanding of the characteristics of consciousness and mental stat

Summary: self-confidence is a reflection of their own individual ability to successfully complete a level of trust activities of the psychological nature, and is an active, effective expression self-worth, self-respect, self-understanding and awareness of psychological state. Individual differences

Summary: self-confidence is a reflection on yourself if you have the ability to successfully complete the individual psychological characteristics of the trust level of an event, is a positive and effective expression of sense of self worth, self respect, self-understanding features and State of min