词典释义：
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What if I get caught? Fear of failure! Lack of confidence! Kind of a wuss!
万一被抓到怎么办？害怕失败！缺乏自信！有点怂逼！
《The Big Bang Theory Season 9》《生活大爆炸 第九季》
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When I was going through all my insecurities And uncertainty and lack of confidence, I was losing focus on god. I was focusing on all these other things, Like my job and what other people thought of me And what the reporters were writing.
如果我感到缺乏安全感，失去信心，那是因为我分散了对神的专注，我把注意力放到别的事情上了，比如我的工作和别人的想法以及各种对我的报道
《Linsanity》《林来疯》
双语例句
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She suffers from a lack of confidence.
她深受缺乏自信心之苦。
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Lack of confidence is a psychological barrier to success.
缺乏信心是阻碍成功的心理因素。
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There is a lack of confidence in the government's ability to manage the economy.
对政府管理经济的能力缺乏信心。
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In the absence of parents' company in their childhood, these children will lack of confidence.
童年时缺乏父母陪伴，孩子们会缺乏自信。
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Only establishing confidence can we accomplish our goal. Nevertheless, many people especially teenagers suffer from a lack of confidence.
只有树立信心，我们才能实现目标。然而，许多人，特别是青少年却缺乏信心。