名詞 gladness:

1. experiencing joy and pleasure
   同義詞：gladfulness, gladsomeness

1. Sadness and gladness succeed one another.
   [諺]樂極生悲，苦盡甘來。
2. Gladness and gaiety, especially when expressed by laughter.
   歡樂歡樂和愉快，尤指用笑來表達
3. He gave a loud whistle of gladness.
   他吹了一聲響亮的口號表示高興。
4. I can see her gladness in her eyes.
   我可以從她的眼睛里看出她的喜悅。