Self knowledge is like lost innocence, however unsettling you find; you can never be un-thought or un-known.

自我认知就像逝去的天真，不管你有多不安；你不可能不去想或是充耳不闻了。

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I seem to have lost all my self-confidence.

我好像已经丧失了所有的自信。

《柯林斯英汉双解大词典》

Right. I just think when he went abroad, he wasn't respected that he lost self-esteem. And so I think that's why.

对，我想当他在国外的时候，他没有得到十分的尊重因而丧失了自尊,我觉得这也是为什么。

麻省理工公开课 - 电影哲学课程节选

Self knowledge is like lost innocence, however unsettling you find it; it can never be un-thought or un-known.

自我认知就像逝去的童真，不管你有多不安;,你已经无法不去想或是充耳不闻了。

耶鲁公开课 - 公正课程节选

Building back the lost self-esteem is the hardest and most important challenge for the newly disabled.

CNN: Amputees never say 'I can't'

Mr Bennetts said the issue was whether the offence of murder should be reduced to manslaughter either because the defendant lost self-control or was suffering from diminished responsibility.

BBC: Natalie Esack

"I have pretty well lost all self-regard, " he said.

BBC: Mervyn Barrett in Lincoln in October 2012