He returned home with a light heart and quick step.他心情愉快地快步回了家。I left their house sober, but with a light heart.我离开了他们家，头脑冷静但心情轻松。He set off with a light heart.他轻松愉快地出发了。He left for home with a light heart.他高高兴兴地回家去了。I set off for work with a light heart.我轻松愉快地动身去上班了。