我愿意用十年青春赌一个不确定的梦
[wŏ yuàn yì yòng shí nián qīng chūn dŭ yī gè bù què dìng de mèng]
This means'I am willing to bet a decade of my youth on an uncertain dream'. Expressing one's courage and determination towards following an risky dream despite not knowing whether it will pay off in future.