However, just as the ECNU secondary school was preparing to implement Zhang's method throughout its Russian program, the Cultural Revolution broke out, throwing China into turmoil and bringing an end to formal education. It was a full 10 years before Zhang was able to pick up his pedagogical researches once again.
附中正想大規模推廣俄語教學法時，卻爆發了文化大文革，一時間社會動盪、教學中斷，直到十年動亂後張思中才又拾起他的教學研究。