天真

例句：

1. 1.She was astonished by thechild's innocent smile.
   她被孩子纯真的微笑惊呆了。
2. 2. The little girl had anaive belief that she could save theworld.
   小女孩天真地相信她能拯救世界。
3. 3. He was so naïve thathe believed in magic when it didn't exist.
   他太天真了，以为魔法是存在的。