释义
complete unawareness of something important or unpleasant
对重要（或不愉快）的事情的全然不知。
双语例句
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But the upside of painful knowledge is so much greater than the downside of blissful ignorance.
但知道真相的痛苦总比蒙在鼓里的快乐要有益得多。
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Somehow I lived in blissful ignorance of that fact until quite recently, when I discovered that chemists had pulled off this minor miracle back in 2005.
一直以来我都幸福地无视这个事实，直到最近我才发现原来化学家们将这个微小的奇迹拉回了2005年。
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Whilethe friends are concerned for loved ones and the devastation going on in theworld, in some ways they wish they could go back to blissful ignorance.
当朋友们都在关心所爱的人和世界上正在发生的灾难时，某种程度上他们希望他们能重新回到幸福的无知中。