Noun + 光
光 (guāng) means 'light,' 'ray,' or 'radiance' and refers to visible brightness from a source like the sun or moon. It commonly combines with other characters, as in 月光 (moonlight) or 阳光 (sunlight).
月光洒在湖面上,非常美。
Yuèguāng sǎ zài húmiàn shàng, fēicháng měi.
Moonlight spills on the surface of the lake; it's very beautiful.
早晨的阳光照进了房间。
Zǎochén de yángguāng zhào jìn le fángjiān.
The morning sunlight shone into the room.
这盏灯的光太亮了,刺眼睛。
Zhè zhǎn dēng de guāng tài liàng le, cì yǎnjīng.
The light from this lamp is too bright; it hurts the eyes.