自夸的人

例句：

1. 1.He is a self-proclaimed expert in the field of physics.
   他自称是物理学领域的专家。
2. 2. She always boasts about her achievements to everyone she meets.
   她总是向遇到的人炫耀她的成就会。
3. 3. The self-proclaimed leader was accused of leading the group into a trap.
   自封的领导者被指控带领团队进入了一个陷阱。