chéng lì
1949年10月1日，毛泽东主席在天安门城楼上庄严宣告中华人民共和国中央人民政府成立。
Yī jiǔ sì jiǔ nián shí yuè yī rì, Máo Zédōng zhǔxí zài Tiān'ānmén chénglóu shàng zhuāngyán xuāngào Zhōnghuá Rénmín Gònghéguó Zhōngyāng Rénmín Zhèngfǔ chénglì.
On October 1, 1949, Chairman Mao Zedong solemnly proclaimed the establishment of the Central People's Government of the People's Republic of China from the Tiananmen Gate Tower.
这个论点理由很充分，能成立。
Zhège lùndiǎn lǐyóu hěn chōngfèn, néng chénglì.
This argument is well-founded and can be established.