Meaning of xìn xīn:
xìn xīn
信心
Noun
confidence; faith (in sb or sth); CL:個|个[ge4]
Tā duì tōngguò kǎoshì chōngmǎn le xìnxīn.
他对通过考试充满了信心。
He is full of confidence about passing the exam.
Tā duì zìjǐ de nénglì chōngmǎnle xìnxīn.
他对自己的能力充满了信心。
He is full of faith in his own abilities.
Tā duì zhè cì kǎoshì chōngmǎnle xìnxīn.
他对这次考试充满了信心。
He is full of confidence for this exam.