Changhong (Chinese electronics brand)

iris (of an eye)

Hongqiao (name of several entities, including a major airport in Shanghai and a district in Tianjin)

neon lights; abbreviation for [[霓虹灯|霓虹燈|ni2 hong2 deng1]]

(loanword) neon lights

Hongqiao Airport (Shanghai)

Hongkou district, central Shanghai

(lit. and fig.) to siphon

Huang Binhong (1865-1955), influential Chinese art historian and literati painter

a rainbow-like play of colors caused by differential refraction of light waves

full of noble aspiration and daring; possessing a spirit so imposing it reaches the heavens

rainbow trout (Oncorhynchus mykiss)

describing an imposing manner or momentum that is as grand and powerful as a rainbow stretching across the sky; full of vigor

coconut lorikeet (Trichoglossus haematodus)

the two mass scuttling operations carried out by the German navy: the scuttling of the German fleet at Scapa Flow in 1919 and Operation Regenbogen, the scuttling of U-boats in 1945

rainbow bee-eater (Merops ornatus)

rainbow flag, also known as the LGBT pride flag

(slang) Japan (loanword from the Japanese word for Japan, [[日本|日本|Ri4 ben3]] "Nihon")

the LGBT+ community

(slang) over-the-top praise

(bird species of China) Sclater's monal (Lophophorus sclateri)

Chinese monal (Lophophorus lhuysii), a bird species endemic to China

rainbow lorikeet (Trichoglossus moluccanus)

(bird species of China) Himalayan monal (Lophophorus impejanus)