对重要（或不愉快）的事情的全然不知

wilful ignorance───故意无知

plead ignorance───声称不知；以不知情为理由

blissfully unaware───幸福地不知道

life insurance───人寿保险；保险公司偿付的人寿金

religious intolerance───宗教的偏执

blissfulness───极乐；幸福

buy insurance───购买保险

helpful guidance───有益的指导

ignorance───n.无知，愚昧；不知，不懂

out so young gave me a certain courage that comes with blissful ignorance.───这么年轻就有所成就给了我一种无知者无畏的勇气。

The upside of painful knowledge is so much greater than the downside of blissful ignorance.───痛而知道的益处，远大于乐而无知的害处。

She remained in blissful ignorance of these events.───她有幸一直不知道这些事情.

Many country towns were still living in blissful ignorance of the post-war crime wave.───很多乡间小镇对战后的犯罪潮一无所知，依然生活在无忧无虑中。

While her husband had affairs with other women, she lived in blissful ignorance.

We preferred to remain in blissful ignorance of what was going on .

All the time his business was failing, he kept his wife and family in blissful ignorance.

In the old days, there was a blissful ignorance about owning stocks.

She remained in blissful ignorance of these events.

Many country parishes were still living in blissful ignorance of the post-war crime wave.