n.幸福；措辭得體恰當(dāng)；幸運(yùn)

It doesn't advance their felicity in the least. 這并不能保證他們倆就能幸福。

Felicity is easily found, but hard to be kept. (諺語)找到幸福容易，維持幸福困難。

I marvel at the felicity of his style. 我驚嘆他的精巧的文體。

He is a writer of fluency and felicity, of graciousness and gentleness. 他是一位文筆流暢, 措詞得體、文雅而且溫和的作家。

n.不幸；不吉；不適當(dāng)