自恋

例句：

1. 1. She has a self-centered attitude towards life.
   她对生活的态度是自我中心的。
2. 2. He prided himself on his achievements.
   他为自己的成就感到骄傲。
3. 3. Conceit is the root of all evil.
   虚荣心是一切邪恶的根源。