Si Zhiguo
Sizhiguoyu is a Chinese idiom. Pinyin is s ì zh ī Gu ò P í n, which means that time flies. There is a gap between them.
Idiom explanation
It's a metaphor for time flies. There is a gap between them.
Si Zhiguo
A prodigal son never changes his money - làng zǐ huí tóu jīn bù huàn
pacify the good and do away with the cruel - ān liáng chú bào
Abandon one's armor and turn to another - qì jiǎ tóu gē