Definition: a feeling of being calm and happy Level: C2
她坐在那里，周身散发着一种宁静的气息。
She sat there with an air of ___serenity about her.
艺术为他们的生活带来宁静。
Art brings ___serenity to their life.
独自在森林中漫步时，我感受到了极大的宁静。
I find great ___serenity while walking alone in the forest.
