无烦恼的

例句：

1. 1. She was very happy and felt completely free from any worries.
   她非常高兴，感觉完全无忧无虑。
2. 2. He led a life of ease, without any troubles or worries.
   他过着无忧无虑的生活，没有任何麻烦或担忧。
3. 3. The child had no worries at all, as he had everything he needed.
   这个孩子完全没有烦恼，因为他拥有他所需要的一切。