1, german rough streamer: it means noble morality and far-reaching influence.
2, dull: describe the loss of luster.
3, through the wall to draw light: chisel through the wall, introduce candlelight, describe the poor family to study hard.
4, low-key: hide your trajectory and talent, don't show your edge.
5, shortsighted: metaphor short-sighted, lack of foresight.
6. Flourishing leaves: describe the shack of the poor and add luster to the poor family.