long and winding

long and winding

释义：“蜿蜒起伏的”，可以是实指，也可以在留学文书里用来形容学术道路的漫长艰辛。

例句：
I passed down a long and winding staircase, requesting him to be cautious as he followed.
His intellectual journey led him on a long and winding path that eventually ended at the autonomic nervous system.