Jim Crow laws were strongest in the south.

种族隔离法律在南方最为强硬。

"Jim Crow" laws were in effect for many years, mostly in the southern United States.

吉姆·克劳法一度在很多年都具有法律效力，主要是在美国南部。

To me, with my vast ignorance, my Jim Crow station in life, it seemed a task impossible of achievement.

对于我，带着巨大的无知，以及所处的受歧视的处境，它显得是一个不可能实现的任务。