争光

争光	zhēng guāng	to win an honor / to strive to win a prize
争	zhēng	to strive for / to vie for / to argue or debate / deficient or lacking (dialect) / how or what (literary)
光	guāng	light; ray (CL:道) / bright; shiny / only; merely / used up; finished / to leave (a part of the body) uncovered