They are like a piece of jade that needs to be polished on a rough stone for luster to shine forth.

人事的艰难与琢磨就是一种考验，一块璞玉要有粗石来磨，才会发出耀眼的光芒。

youdao

They are like a piece of jade that needs to be polished on a rough stone for luster to shine forth.

人事的艰难与琢磨就是一种考验，一块璞玉要有粗石来磨，才会发出耀眼的光芒。

youdao