又红又专

wǒ yī dìng wèi gé mìng nǔ lì xué xí zhēng qǔ zuò dào yòu hóng yòu zhuān

我一定为革命努力学习，争取做到又红又专。

I must study hard for the revolution, to be best and profession.

tā shì yī gè yòu hóng yòu zhuān de xué sheng

他是一个又红又专的学生。

He is a both red and expert student.