我是星星会发光我是玻璃会反光
[wŏ shì xīng xīng huì fā guāng wŏ shì bō lí huì făn guāng]
Describes a lively person with different characteristics: shining brightly at times and remaining low-profile when reflecting others' glory. Can also mean multi-talented, good at expressing oneself under suitable conditions. Translating loosely: 'I'm a star shining on my own and a glass reflecting your shine.'