Daily Chinese Idiom Guessing Game
To see someone in a new light or with renewed respect after they have shown improvement.
指别人已有进步，不能再用老眼光去看他。
《三国志·吴志·吕蒙传》注引《江表传》士别三日，即更刮目相待。”
After he aced the exam, his classmates began to see him with new eyes.