It indicated that the transformation of education from traditional type to modern one must go through a rough and zigzag way.
这表明，传统教育向现代教育的转型必然要经历一个艰难曲折的过程。After going through all the hardships and setbacks, our Party and people have gained rich experience and become increasingly mature.
我们党和我国人民经历了艰难曲折，积累了丰富经验，愈益成熟起来。Slowly and not without struggle, America began to listen.
美国缓慢地开始倾听，但并非没有艰难曲折。In this regard, we have gone through an arduous development process, and is experiencing a severe new test.
在这方面，我们曾经经历了一个艰难曲折的发展历程，并正在经受着新的严峻的考验。Confucianism in the process of modernization is a constant adaptation and resistance of the difficult and tortuous process.
儒家现代化的过程是一个充满反抗而又不断调适的艰难曲折的过程。However, the new China's prisons are in the practice and exploration, and experienced a difficult and tortuous process of development.
但是，新中国监狱在矫正罪犯的实践探索中，却经历了艰难曲折的发展过程。Since 1949, the contemporary Chinese civil law, having gone through a hard development, has met its prosperity in the 21st century.
1949年以来，当代中国民法经历了艰难曲折的发展，终于迎来了21世纪民法的繁荣和发展。The localization process was not went smoothly but full of hardship.
但这种“本土化”的过程并非一帆风顺，而是经历了艰难曲折的历程。China has also travelled a tortuous and difficult path in the course of development.
同时，中国也走过了艰难曲折的发展道路。