Meaning of zì xìn:
zì xìn
自信
Noun
to have confidence in oneself; self-confidence
Wǒ duì zìjǐ de nénglì chōngmǎnle zìxìn.
我对自己的能力充满了自信。
I am full of confidence in my abilities.
Tā zǒng shì chōngmǎn zìxìn de miànduì měi yīgè tiǎozhàn.
他总是充满自信地面对每一个挑战。
He always faces every challenge with self-confidence.