fancy oneself

• 自以为是

fancy oneself的用法和样例：

例句

1. Some persons now fancy themselves as heroes.
   现在有的人，自以为是英雄。
2. China's fancy that Arunachal Pradesh is south Tibet and is therefore its personal fief.
   中国幻想阿鲁纳恰尔邦是藏南是自以为是。