be self-confident
In Chinese, Pinyin is Z ì x ì Nb ù y í, which means believe in yourself and never doubt. It comes from Sima Wen's official statement.
The origin of Idioms
Song Sushi's Sima Wen Gong Xing Zhuan said: "on the day of administration, I am confident and have no doubt."
Idiom usage
I am confident in myself.
be self-confident
Old age and death do not communicate with each other - lǎo sǐ bù xiāng wǎng lái
decline with all sorts of excuses - tuī sān tuī sì