I left the island with a light heart.

我怀着愉快的心情离开了那个小岛。

《牛津词典》

As he ran down the street with a light heart to the bookshop, he saw a poor German family, the father, mother and three children walking in the cold wind.

当他轻松地沿街跑向书店时，他看到一个贫穷的德国家庭，有爸爸、妈妈和三个孩子，在寒风中走着。

youdao

Your profusion makes me saving; and if you lament over him much longer, my heart will be as light as a feather.

你的感情豪爽造成了我的感情吝啬；要是你再为他叹惜，我就会轻松愉快得要飞起来了。

youdao

She shared the dangers of life with a willing spirit and a light heart.

VOA: special.2009.10.31

Organic polymers are a fundamentally new way of converting electricity to light, a process at the heart of all displays--TVs, computer monitors, cell phone screens.

FORBES: Seeing the Light

The instrumental conclusion that is Rebel Heart also brings a little timely light relief, but there's far too many cracks here and not nearly enough paper.

BBC: CD Review: The Corrs

But the heart of contemporary Peruvian cuisine is a light, tangy tradition that isn't even technically cooked: ceviche.

WSJ: The Best Ceviche in Lima, Peru | In Search Of