| 紫外线光 | zǐ wài xiàn guāng | ultraviolet light |
| 聚光 | jù guāng | to focus light (e.g. in theater); to spotlight |
| 聚光太阳能 | jù guāng tài yáng néng | concentrating solar power (CSP) |
| 聚光灯 | jù guāng dēng | spotlight |
| 脱光 | tuō guāng | to strip naked; to strip nude |
| 自然风光 | zì rán fēng guāng | nature and scenery |
| 花光 | huā guāng | to spend all one's money |
| 莒光 | Jǔ guāng | Chukuang Island, one of the Matsu Islands; Chukuang township in Lienchiang county 连江县,Taiwan |
| 莒光乡 | Jǔ guāng xiāng | Chukuang township in Lienchiang county 连江县 i.e. the Matsu Islands, Taiwan |
| 蓬筚生光 | péng bì shēng guāng | Your presence brings light to my humble dwelling |
| 蓬荜生光 | péng bì shēng guāng | Your presence brings light to my humble dwelling |
| 薄瑞光 | Bó Ruì guāng | Raymond Burghard (1945-), US diplomat and ambassador to Vietnam 2001-2004, chairman of American Institute in Taiwan from 2006 |
| 蓝光 | Lán guāng | Blu-ray (disc format) |
| 蓝光光盘 | lán guāng guāng pán | Blu-ray disk, Sony high definition DVD disk |
| 虚度光阴 | xū dù guāng yīn | to waste time on worthless activities |
| 萤光绿 | yíng guāng lǜ | bright green; chartreuse |
| 褪光 | tuì guāng | matte (of a color etc) |
| 观光区 | guān guāng qū | tourist region; sight-seeing area |
| 观光客 | guān guāng kè | tourist |
| 赏光 | shǎng guāng | to do sb the honor (of attending etc); to put in an appearance; to show up |
| 卖光了 | mài guāng le | to be sold out; to be out of stock |
| 走光 | zǒu guāng | to expose oneself |
| 透光 | tòu guāng | transparent; translucent |
| 郑光祖 | Zhèng Guāng zǔ | Zheng Guangzu, Yuan dynasty dramatist in the 杂剧 tradition of musical comedy, one of the Four Great Yuan dramatists 元曲四大家 |
| 金光闪烁 | jīn guāng shǎn shuò | spangle |
| 银光 | yín guāng | silvery light; bright white light; shining white light |
| 镁光 | měi guāng | magnesium light |
| 闪光灯 | shǎn guāng dēng | flash bulb (photography) |
| 闪光点 | shǎn guāng diǎn | lit. flash point; crucial point; essential point |
| 开光 | kāi guāng | eye-opening ceremony for a religious idol (Buddhism); to consecrate; to bless; transparent; translucent; haircut; shaving the head or face (humorous); a method of decoration; first light (astronomy) |
| 陈元光 | Chén Yuán guāng | Chen Yuanguang (657-711), Tang dynasty general with posthumous title 开漳圣王, i.e. Sacred King, founder of Zhangzhou 漳州, Fujian |
| 阳光明媚 | yáng guāng míng mèi | the sun shines brightly (idiom) |
| 隧道尽头的光亮 | suì dào jìn tóu de guāng liàng | the light at the end of the tunnel |
| 双光气 | shuāng guāng qì | diphosgene |
| 电光朝露 | diàn guāng zhāo lù | flash of lightning, morning dew (idiom); fig. ephemeral; impermanent |
| 灵光 | líng guāng | divine light (around the Buddha); a halo; a miraculous column of light; (slang) jolly good! |
| 青光眼 | qīng guāng yǎn | glaucoma |
| 非线性光学 | fēi xiàn xìng guāng xué | nonlinear optics (physics) |
| 韬光养晦 | tāo guāng yǎng huì | lit. to cover light and nurture in the dark (idiom); to conceal one's strengths and bide one's time; hiding one's light under a bush |
| 音乐光碟 | yīn yuè guāng dié | music CD |
| 余光 | yú guāng | out of the corner of one's eyes |
| 验光 | yàn guāng | optometry; to examine the eyes |
| 验光师 | yàn guāng shī | optometrist |
| 验光法 | yàn guāng fǎ | optometry; eyesight testing |
| 验光配镜业 | yàn guāng pèi jìng yè | optometry; eyesight testing |
| 验光配镜法 | yàn guāng pèi jìng fǎ | optometry; eyesight testing |
| 黄光裕 | Huáng Guāng yù | Huang Guang'yu (1969-), PRC entrepreneur and millionaire, founder of Guo mei or Gome electronics 国美电器 |
| 鼠目寸光 | shǔ mù cùn guāng | short-sighted |
| Ｘ光 | X guāng | X-ray |
