light-hearted 

  1. 形容詞
隨便的, 漫不經心的
輕鬆愉快的, 無憂無慮的
心情愉快的, 快樂的

    同義字詞
blithe,carefree,debonair,devil-may-care,gay,happy-go-lucky,insouciant,lightsome,unconcerned

例句

  1. It was a lighthearted joke .
  2. All that is not lighthearted material.
  3. She forced herself to smile, to be lighthearted .
  4. Work and workplaces that are fun and lighthearted .
  5. Good content, lighthearted presentation in cartoons.