自许的

例句：

1. 1. He is known for his self-confidence and self-promotion.
   他以自信和自我推销而闻名。
2. 2. She has a self-confident attitude towards life.
   她对生活持有自信的态度。
3. 3. The young man was self-important and thought he knew everything.
   那个年轻人自以为是，认为自己什么都懂。