a.

1. 確信的；有信心的，自信的[（+of）][+（that）]
   He is quite confident that he will pass the examination.

   他很有信心通過考試。

   They are confident of success.

   他們有信心能夠成功。

   He is confident of passing the examination.

   他有信心通過考試。

   Patrick was confident of his ability to get work for himself.

   派翠克自信有能力為自己找到工作。

2. 過於自信的，自負的；大膽的

adj.

1. feeling confidence in oneself.
2. feeling certainty about something.

n.