比喻清苦的读书环境austere learning environment; blue-green lights and yellow scrolls

• 严高鸿教授没有惊天动地的壮举，只有青灯黄卷和三尺讲台为伴的平凡。

  Professor Yan Gaohong has not made any startling moves, only the ordinariness of an austere learning environment and a three-foot lectern.