这是一场成功的社会革命。

Zhè shì yī chǎng chénggōng de shèhuì gémìng.

This is a successful social revolution.

历史上发生过许多重大革命。

Lìshǐ shàng fāshēng guò xǔduō zhòngdà gémìng.

Many significant revolutions have occurred in history.

革命的目的是推翻不公正的制度。

Gémìng de mùdì shì tuīfān bù gōngzhèng de zhìdù.

The purpose of revolution is to overthrow unjust systems.