bliss

Their religion promises eternal bliss [=joy] in heaven.他们的宗教承诺在天堂里会永享快乐。

marital/wedded/domestic bliss [=complete happiness in marriage]婚姻/婚后/家庭的幸福

Relaxing on the porch of our private villa was sheer bliss.在我们私家别墅的游廊上歇息纯粹是一种享受。