Many people soothe their consciences by purchasing only free-range fowl and eggs, blissfully ignorant that "free range" has very little practical significance.

许多人只买自由放养的家禽和鸡蛋，以此来安抚自己的良心，幸福地忽视了“自由放养”几乎没有实际意义。

We're blissfully happy.

我们非常幸福快乐。

At first, he was blissfully unaware of the conspiracy against him.

起初，他对反对自己的阴谋全不知情，还在优哉游哉。

The sky was clear; the streets, blissfully still.

天空清澈；街道安详寂静。

An application is blissfully unaware of all this activity.

应用程序很高兴对所有这些活动一无所知。