天伦之乐的英文：
[Literal Meaning]
family ties/aux./happiness
family happiness

[解释]
天伦：指父子、兄弟、夫妻的亲属关系。家人欢聚一堂、亲密有爱的乐趣。

[Explanation]
family happiness

[例子]
退休之后，老工程师在家里陪孙子玩，尽享天伦之乐。

[Example]
After retirement, the old engineer spent most of his time playing with his grandson and enjoyed family happiness.

A little apart from the rest sunk in deep maternal bliss, lay the largest sow of the lot.
在跟猪群稍隔开一点的地方，躺着猪群中最大的一头老母猪，眼下正沉浸在无比的天伦之乐当中。

It was a scene of such domestic bliss.
这是一派天伦之乐的场景。

We share the happiness of a family union.
我们共享天伦之乐。

Simple farmers who live on pickles and dress in homespun at least know the joys of family life together.
"田舍之家,虽齑盐布帛,终能聚天伦之乐"

"In addition to spending time with his family, Felipe enjoys sporting events, specially soccer and football."
除了与家人共享天伦之乐外,Felipe喜欢体育运动,特别喜欢足球和橄榄球。

"In his limited free time, Bill enjoys playing golf and spending time with family. "
在他有限的业余时间里,Bill喜欢打高尔夫球和与家人共享天伦之乐。