光瓦

gwong1 ngaa5

Bright; clean

光波長

gwong1 bo1 coeng4

optical wavelength

光子

gwong1 zi2

[phys.] photon (particle or quantum of light)

教育光碟

gaau3 juk6 gwong1 dip6*2

an educational CD-ROM

半光

bun3 gwong1

semi-dull, matte

日光

jat6 gwong1

(noun) Daylight

開篷觀光巴士

hoi1 pung4 gun1 gwong1 baa1 si6*2

open-top sightseeing / tourist bus

日光節約時間

jat6 gwong1 zit3 joek3 si4 gaan1*3

daylight-saving time | Also known as "Summer Time" (夏令時間) in some countr

唔見得光

m4 gin3 dak1 gwong1

a description to something that cannot be revealed or exposed to the public, usu

不光亮的火焰

bat1 gwong1 loeng6 dik1 fo2 jim6

non-luminous flame

光猛

gwong1 maang5

bright; well lit

藍光碟

laam4 gwong1 dip6*2

blu ray disc [Syn.] 藍光光碟

刀光劍影

dou1 gwong1 gim3 jing2

the flash and glitter of knives and swords

放光蟲

fong3 gwong1 cung4

firefly

韶光

siu4 gwong1

youth

照X光

ziu3 X-gwong1

an x-ray photograph ("an x-ray")

光棍兒

gwong1 gwan3 ji4

bachelor

皮光肉滑

pei4 gwong1 juk6 waat6

young and smooth skin

光盤

gwong1 pun4

compact disc; CD

光害

gwong1 hoi6

Light Pollution