发奋[fā fèn]
词典work energetically [hard]
词典exert oneself：出力；努力，尽力；励；娓。
词典rouse oneself：振作精神，奋起；发奋；奋发。
词典bestir oneself：激励；发奋；振作精神；振作。
发奋[fā fèn]
work energetically [hard]; exert oneself; rouse oneself; bestir oneself; make a firm resolution; make a determined effort; strive resolutely:
例：发奋工作
put all one's energies into one's work;
发奋用功
resolve to study hard