自信的英语是什么？

形容词confident,名词confidence,更为确切的自信selfconfidence

自信的:
1. self-assurance
2. confident
3.self-confident

例句与用法:
他是个很自信的人
He is a very self-confident person
这就是过於自信的结果.
This is what comes of being over-confident.
骄傲自大的自做主张的或过分自信的
Overly self-assertive or self-confident.

Self-confidence.

be confident of
have confidence in

self-confidence

Have confidence in yourself !

Confidence 是名词
Confident 是形容词

self-confident 是自信