tortuous path

例句：

1. 1. The journey was fraught with tortuous paths and unexpected obstacles.
   旅行充满了曲折的道路和意想不到的障碍。
2. 2.The company's growth has been a tortuous path, filled with challenges and setbacks.
   公司的增长之路充满了挑战和挫折。
3. 3. The scientist faced a tortuous path in his research, constantly struggling to find the solution.
   这位科学家在研究中面临着一条曲折的道路，不断地努力寻找解决方案。