光 guāng light; ray (CL: 道 dào)bright; shinyonly; merelyused up; finishedto leave (a part of the body) uncovered Example sentences 光是聪明还不够,要加上努力才行。 guāng shì cōngming hái bù gòu, yào jiāshàng nǔlì cái xíng. It is not enough to just be smart, you have to be hardworking to succeed