用光 yòngguāng to use up Origin Definitions Defs Strokes Stroke Words Sentences Sents yòngguāng to use up 用 yòng verb to use To use; to employ; to apply or make use of something to achieve a purpose.光 guāng particle used up used up; finished; exhausted; indicating that nothing is leftyòngguāng lighting 用 yòng verb to use To use; to employ; to apply or make use of something to achieve a purpose.光 guāng noun light light; ray; beam of light