The new Anne Hathaway, Robert De Niro movie was both light-hearted and entertaining.

Anne Hathaway和Robert De Niro的主演的新电影既轻松、又搞笑。

I can’t believe such a serious man has such a light-hearted brother.

我不敢相信他这么个严肃的人有一个这么无忧无虑的弟弟。

She felt light-hearted and optimistic.

她感到无忧无虑，很乐观。

I was amazingly light-hearted and peaceful.

我当时出奇地轻松和平静。

The best solution is to send a light-hearted apology to explain your awkwardness.

最好的解决办法是发送一个轻松的道歉来缓解你的尴尬。

There have been many attempts, both light-hearted and serious, to locate the Loch Ness Monster.

为寻找“尼斯湖水怪”，已经进行了很多或轻松有趣或认真的尝试。

Light-hearted and optimistic, she is the sort of woman to spread sunshine to people through her smile.

她天性乐观，无忧无虑，是那种用微笑把温暖带给别人的女人。