Turn over a new leaf,
Once you know it, you will change it.
Get better,
Make amends,
Change after _ idiom explanation
Pinyin: I
Interpretation: mistakes can be corrected.
Source: Two Years of Zuo Zhuan Gong Xuan: "I know I have gone too far, and I will change it. He lowered his head and said,' No one has made mistakes, but he can correct them, which is not good.' "