沉溺于

When they are idle, they indulge themselves into comfort, lechery, crapulence and gluttony.

们闲散时，就于安乐、纵欲、暴饮、暴食。

He was enslaved to drinking.

于酒。

The comic skit sent up the foolishness of young men in love.

那幅画把于热恋中青年男子痴态勾勒得滑稽可笑。

Some are devout; others snaffle the odd beer or marijuana spliff.

们中有些非常虔诚，而另外一些却于饮酒或抽大麻。

He indulged in idle fancy.

于幻想之中。

There’s no point in dissipated life.

只于生活之中是没有意义。