| 灰姑娘 | Huī gū niang | Cinderella / a sudden rags-to-riches celebrity |  |
| 灰蒙蒙 | huī mēng mēng | dusky / overcast (of weather) |  |
| 灰白色 | huī bái sè | ash gray | |
| 灰溜溜 | huī liū liū | dull gray / gloomy / dejected / crestfallen / with one's tail between one's legs | |
| 灰泥工 | | Plasterer | |
| 灰矮人 | huī ǎi rén | Duergar | |
| 灰白冰 | huī bái bīng | grey-white ice | |
| 灰白质 | huī bái zhí | grey | |
| 灰斑鸻 | huī bān héng | (bird species of China) grey plover (Pluvialis squatarola) | |
| 灰斑鸠 | huī bān jiū | (bird species of China) Eurasian collared dove (Streptopelia decaocto) | |
| 灰斑鹟 | huī bān wēng | (bird species of China) grey-streaked flycatcher (Muscicapa griseisticta) | |
| 灰背鸫 | huī bèi dōng | (bird species of China) grey-backed thrush (Turdus hortulorum) | |
| 灰背鸥 | huī bèi ōu | (bird species of China) slaty-backed gull (Larus schistisagus) | |
| 灰背隼 | huī bèi sǔn | (bird species of China) merlin (Falco columbarius) | |
| 灰伯劳 | huī bó láo | (bird species of China) great grey shrike (Lanius excubitor) | |
| 灰翅鸫 | huī chì dōng | (bird species of China) grey-winged blackbird (Turdus boulboul) | |
| 灰翅鸥 | huī chì ōu | (bird species of China) glaucous-winged gull (Larus glaucescens) | |
| 灰赤杨 | huī chì yáng | gray alder (Alnus incana) / speckled alder | |
| 灰鹡鸰 | huī jí líng | (bird species of China) grey wagtail (Motacilla cinerea) | |
| 灰颈鹀 | huī jǐng wú | (bird species of China) grey-necked bunting (Emberiza buchanani) | |
| 灰卷尾 | huī juǎn wěi | (bird species of China) ashy drongo (Dicrurus leucophaeus) | |
| 灰椋鸟 | huī liáng niǎo | (bird species of China) white-cheeked starling (Spodiopsar cineraceus) | |
| 灰猎犬 | huī liè quǎn | greyhound | |
| 灰林鵖 | huī lín bī | (bird species of China) grey bush chat (Saxicola ferreus) | |
| 灰林鸽 | huī lín gē | (bird species of China) ashy wood pigeon (Columba pulchricollis) | |
| 灰林䳭 | huī lín jí | (bird species of China) grey bush chat (Saxicola ferreus) | |
| 灰林鸮 | huī lín xiāo | (bird species of China) Himalayan owl (Strix nivicolum) | |
| 灰柳莺 | huī liǔ yīng | (bird species of China) sulphur-bellied warbler (Phylloscopus griseolus) | |
| 灰皮诺 | Huī pí nuò | Pinot gris (grape type) / Pinot grigio | |
| 灰奇鹛 | huī qí méi | (bird species of China) grey sibia (Heterophasia gracilis) | |
| 灰山鹑 | huī shān chún | (bird species of China) grey partridge (Perdix perdix) | |
| 灰树鹊 | huī shù què | (bird species of China) grey treepie (Dendrocitta formosae) | |
| 灰头鸫 | huī tóu dōng | (bird species of China) chestnut thrush (Turdus rubrocanus) | |
| 灰头鹀 | huī tóu wú | (bird species of China) black-faced bunting (Emberiza spodocephala) | |
| 灰喜鹊 | huī xǐ què | (bird species of China) azure-winged magpie (Cyanopica cyanus) | |
| 灰燕鸻 | huī yàn héng | (bird species of China) small pratincole (Glareola lactea) | |
| 灰燕䴗 | huī yàn jú | (bird species of China) ashy woodswallow (Artamus fuscus) | |
| 灰头土脸 | huī tóu tǔ liǎn | head and face filthy with grime (idiom) / covered in dirt / dejected and depressed | |
| 灰心丧气 | huī xīn sàng qì | downhearted / downcast / in despair | |
| 灰飞烟灭 | huī fēi yān miè | lit. scattered ashes and dispersed smoke (idiom) / fig. to be annihilated / to vanish in a puff of smoke | |
| 灰色文献 | | grey literature | |
| 灰豹组织 | | Gray Panthers | |
| 灰色区域 | | grey area / grey zone | |
| 灰脸鵟鹰 | hēi liǎn kuáng yīng | (bird species of China) grey-faced buzzard (Butastur indicus) | |
| 灰瓣蹼鹬 | huī bàn pǔ yù | (bird species of China) red phalarope (Phalaropus fulicarius) | |
| 灰背伯劳 | huī bèi bó láo | (bird species of China) grey-backed shrike (Lanius tephronotus) | |
| 灰背椋鸟 | huī bèi liáng niǎo | (bird species of China) white-shouldered starling (Sturnia sinensis) | |
| 灰背燕尾 | huī bèi yàn wěi | (bird species of China) slaty-backed forktail (Enicurus schistaceus) | |
| 灰不喇唧 | huī bù lǎ jī | dull gray / gray and loathsome | |
| 灰不溜丢 | huī bu liū diū | gloomy and dull (idiom) / boring and gray / unpleasantly murky | |
| 灰不溜秋 | huī bu liū qiū | see 灰不溜丟|灰不溜丢[hui1 bu5 liu1 diu1] | |
| 灰翅噪鹛 | huī chì zào méi | (bird species of China) moustached laughingthrush (Garrulax cineraceus) | |
| 灰短脚鹎 | huī duǎn jiǎo bēi | (bird species of China) ashy bulbul (Hemixos flavala) | |
| 灰腹地莺 | huī fù dì yīng | (bird species of China) grey-bellied tesia (Tesia cyaniventer) | |
| 灰腹角雉 | huī fù jiǎo zhì | (bird species of China) Blyth's tragopan (Tragopan blythii) | |
| 灰腹噪鹛 | huī fù zào méi | (bird species of China) brown-cheeked laughingthrush (Trochalopteron henrici) | |
| 灰冠鹟莺 | huī guān wēng yīng | (bird species of China) grey-crowned warbler (Seicercus tephrocephalus) | |
| 灰冠鸦雀 | huī guān yā què | (bird species of China) Przevalski's parrotbill (Sinosuthora przewalskii) | |
| 灰喉柳莺 | huī hóu liǔ yīng | (bird species of China) ashy-throated warbler (Phylloscopus maculipennis) | |
| 灰喉鸦雀 | huī hóu yā què | (bird species of China) ashy-throated parrotbill (Sinosuthora alphonsiana) | |
| 灰脚柳莺 | huī jiǎo liǔ yīng | (bird species of China) pale-legged leaf warbler (Phylloscopus tenellipes) | |
| 灰孔雀雉 | huī kǒng què zhì | (bird species of China) grey peacock-pheasant (Polyplectron bicalcaratum) | |
| 灰眶雀鹛 | huī kuàng què méi | (bird species of China) David's fulvetta (Alcippe davidi) | |
| 灰蓝姬鹟 | huī lán jī wēng | (bird species of China) slaty-blue flycatcher (Ficedula tricolor) | |
| 灰蓝山雀 | huī lán shān què | (bird species of China) azure tit (Cyanistes cyanus) | |
| 灰脸鹟莺 | huī liǎn wēng yīng | (bird species of China) grey-cheeked warbler (Seicercus poliogenys) | |
| 灰色地带 | huī sè dì dài | gray area | |
| 灰色经济 | huī sè jīng jì | informal economy / informal sector / grey economy | |
| 灰色市场 | huī sè shì chǎng | grey market | |
| 灰山椒鸟 | huī shān jiāo niǎo | (bird species of China) ashy minivet (Pericrocotus divaricatus) | |
| 灰头灰雀 | huī tóu huī què | (bird species of China) grey-headed bullfinch (Pyrrhula erythaca) | |
| 灰头椋鸟 | huī tóu liáng niǎo | (bird species of China) chestnut-tailed starling (Sturnia malabarica) | |
| 灰头柳莺 | huī tóu liǔ yīng | (bird species of China) grey-hooded warbler (Phylloscopus xanthoschistos) | |
| 灰头绿鸠 | huī tóu lu:4 jiū | (bird species of China) ashy-headed green pigeon (Treron phayrei) | |
| 灰头麦鸡 | huī tóu mài jī | (bird species of China) grey-headed lapwing (Vanellus cinereus) | |
| 灰头雀鹛 | huī tóu què méi | (bird species of China) Yunnan fulvetta (Alcippe fratercula) | |
| 灰头薮鹛 | huī tóu sǒu méi | (bird species of China) red-faced liocichla (Liocichla phoenicea) | |
| 灰头鸦雀 | huī tóu yā què | (bird species of China) grey-headed parrotbill (Psittiparus gularis) | |
| 灰头鹦鹉 | huī tóu yīng wǔ | (bird species of China) grey-headed parakeet (Psittacula finschii) | |
| 灰尾漂鹬 | huī wěi piāo yù | (bird species of China) grey-tailed tattler (Tringa brevipes) | |
| 灰胁噪鹛 | huī xié zào méi | (bird species of China) grey-sided laughingthrush (Garrulax caerulatus) | |
| 灰胸薮鹛 | huī xiōng sǒu méi | (bird species of China) Emei Shan liocichla (Liocichla omeiensis) | |
| 灰胸竹鸡 | huī xiōng zhú jī | (bird species of China) Chinese bamboo partridge (Bambusicola thoracicus) | |
| 灰岩残丘 | huī yán cán qiū | mogote (steep-sided pointed hill in karst landform) | |
| 灰岩鹪鹛 | huī yán jiāo méi | (bird species of China) limestone wren-babbler (Napothera crispifrons) | |
| 灰岩柳莺 | huī yán liǔ yīng | (bird species of China) limestone leaf warbler (Phylloscopus calciatilis) | |
| 灰脸𫛭鹰 | huī liǎn kuáng yīng | (bird species of China) grey-faced buzzard (Butastur indicus) | |
| 灰鳐，鳐类 | | skate | |
| 灰白喉林莺 | huī bái hóu lín yīng | (bird species of China) common whitethroat (Sylvia communis) | |
| 灰腹绣眼鸟 | huī fù xiù yǎn niǎo | (bird species of China) oriental white-eye (Zosterops palpebrosus) | |
| 灰喉山椒鸟 | huī hóu shān jiāo niǎo | (bird species of China) grey-chinned minivet (Pericrocotus solaris) | |
| 灰头斑翅鹛 | huī tóu bān chì méi | (bird species of China) streaked barwing (Actinodura souliei) | |
| 灰头啄木鸟 | huī tóu zhuó mù niǎo | (bird species of China) grey-headed woodpecker (Picus canus) | |
| 灰眼短脚鹎 | huī yǎn duǎn jiǎo bēi | (bird species of China) grey-eyed bulbul (Iole propinqua) | |
| 灰色区域行动 | | grey-area operation | |
| 灰色区域武器 | | grey area weapon / grey area system | |
| 灰喉针尾雨燕 | huī hóu zhēn wěi yǔ yàn | (bird species of China) silver-backed needletail (Hirundapus cochinchinensis) | |
huī
