又红又专[yòu hóng yòu zhuān]
be [become] both red and expert; be both socialist-minded and professionally competent; be both socialist-minded and vocationally proficient; be both politically sound and professionally competent; be both politically competent and have professional knowle
1. red and expert：红小兵 the Little Red Guards | 又红又专 red and expert | 最高指示 supreme instructions
2. both socialist-minded and professionally qualified：红光满面 in ruddy health | 又红又专 both socialist-minded and professionally qualified | 英语论文 English dissertation
3. both Communist and professional：红卫兵 Red Guards | 又红又专 both Communist and professional | 造反有理 Rebelling is justified