| 新人类 | xīn rén lèi | New Humanity |  |
| 人类学 | rén lèi xué | anthropology | |
| 古人类 | gǔ rén lèi | ancient human species such as Homo erectus and Homo neanderthalensis | |
| 灵长类 | líng zhǎng lèi | primate (monkey, hominid etc) | |
| 哺乳类 | bǔ rǔ lèi | mammals / also written 哺乳動物|哺乳动物 | |
| 分类学 | fēn lèi xué | taxonomy / taxology / systematics | |
| 爬虫类 | pá chóng lèi | reptiles / also written 爬行類|爬行类 | |
| 两栖类 | liǎng qī lèi | class Amphibia / amphibians | |
| 甲壳类 | jiǎ qiào lèi | crustacean | |
| 黑五类 | hēi wǔ lèi | the "five black categories" (Cultural Revolution term), i.e. landlords, rich peasants, counterrevolutionaries, bad elements and rightists | |
| 分类帐 | fēn lèi zhàng | a ledger / a spreadsheet | |
| 食肉类 | shí ròu lèi | carnivorous species | |
| 预分类 | | pre-sorting | |
| 分类账 | | ledger | |
| 定着类 | | sedentary species | |
| 贝类学 | bèi lèi xué | malacology | |
| 倍足类 | bèi zú lèi | Diplopoda (arthropod class with a pair of legs on each segment, including centipedes and millipedes) | |
| 槽齿类 | cáo chǐ lèi | thecodont (type of reptile that existed in the Permian and Triassic Periods) | |
| 第五类 | dì wǔ lèi | category 5 / CAT 5 (cable) | |
| 多足类 | duō zú lèi | centipedes and millipedes | |
| 毒性类 | dú xìng lèi | mode of toxicity / toxicity mode | |
| 反人类 | fǎn rén lèi | inhuman | |
| 红五类 | hóng wǔ lèi | the “five red categories&rdquo / (Cultural Revolution term), i.e. poor and lower-middle peasants, workers, revolutionary soldiers, revolutionary cadres, and revolutionary martyrs | |
| 奇蹄类 | jī tí lèi | Perissodactyla (odd-toed ungulates, such as horses, zebras etc) | |
| 击弦类 | jī xián lèi | hammered string type (of musical instrument) | |
| 恐龙类 | kǒng lóng lèi | dinosaurs | |
| 两生类 | liǎng shēng lèi | class Amphibia / also written 兩棲類|两栖类[liang3 qi1 lei4] | |
| 灵猫类 | líng māo lèi | a civet (arboreal cat) / viverrid (mammal group including mongoose and civet) | |
| 鸟类学 | niǎo lèi xué | ornithology / study of birds | |
| 啮齿类 | niè chǐ lèi | rodents (rat, rabbit etc) | |
| 偶蹄类 | ǒu tí lèi | Artiodactyla (even-toed ungulates, such as pigs, cows, giraffes etc) | |
| 爬行类 | pá xíng lèi | reptiles / also written 爬行動物|爬行动物 | |
| 软足类 | ruǎn zú lèi | (coll.) inkfish / octopus, squid and cuttlefish | |
| 示性类 | shì xìng lèi | characteristic class (math.) | |
| 双壳类 | shuāng ké lèi | bivalve / Lamellibranchia | |
| 同余类 | tóng yú lèi | congruence class (of integers modulo n) | |
| 头索类 | tóu suǒ lèi | lancelet (Branchiostoma) | |
| 有袋类 | yǒu dài lèi | (zoology) marsupial | |
| 鱼类学 | yú lèi xué | ichthyology | |
| 职业类 | zhí yè lèi | occupational group | |
| 蜘蛛类 | zhī zhū lèi | arachnid | |
| 祖鸟类 | zǔ niǎo lèi | dinosaur ancestors of birds | |
| 人类社会 | rén lèi shè huì | human society | |
| 出类拔萃 | chū lèi bá cuì | to excel the common (idiom) / surpassing / preeminent / outstanding |  |
| 诸如此类 | zhū rú cǐ lèi | things like this (idiom) / and so on / and the rest / etc | |
| 不伦不类 | bù lún bù lèi | out of place / inappropriate / incongruous | |
| 分门别类 | fēn mén bié lèi | to organize by categories / to classify | |
| 触类旁通 | chù lèi páng tōng | to comprehend (new things) by analogy | |
| 同类产品 | tóng lèi chǎn pǐn | similar product | |
| 呼朋引类 | hū péng yǐn lèi | to call up all one's associates / rent-a-crowd | |
| 刻鹄类鹜 | kè hú lèi wù | to aim to carve a swan and get a semblance of a duck (idiom) / to fail utterly in trying to copy something / to get a reasonably good, if not perfect, result | |
| 物以类聚 | wù yǐ lèi jù | similar things come together (idiom) / like draws like / Birds of a feather flock together. | |
| 有教无类 | yǒu jiào wú lèi | education for everyone, irrespective of background | |
| 人类发展 | | human development | |
| 总分类账 | | general ledger | |
| 海底分类 | | seabed classification / seabed characterization | |
| 分类热线 | | Classifications Hotline | |
| 道路分类 | | route classification | |
| 重新分类 | | rescheduling | |
| 固着种类 | | sedentary species | |
| 功能分类 | | functional classification | |
| 职能分类 | | functional classification | |
| 密封类别 | | containment category | |
| 关键类别 | | key category | |
| 主食谷类 | | staple food cereals | |
| 测量分类 | | survey classification / classification of surveys | |
| 食品类别 | | food patterns | |
| 职业类别 | | job family | |
| 监督分类 | | Supervised Classification | |
| 人类学者 | | anthropologist | |
| 资产类别 | | asset class | |
| 费用分类 | | cost classification | |
| 经费门类 | | appropriation line | |
| 底栖鱼类 | | bottom-living fish / demersal fish | |
| 分类管理 | | guild management | |
| 自动分类 | | automatic classification | |
| 贝类养殖 | | venericulture | |
| 聚类分析 | | clustering analysis | |
| 鱼类种群 | | fish population | |
| 盾蕊木类 | | purpleheart | |
| 职务分类 | | job classification | |
| 活动分类 | | activity classification | |
| 贝类渔业 | bèi lèi yú yè | shellfishery | |
| 传统词类 | chuán tǒng cí lèi | traditional parts of speech (grammar) | |
| 德贵丽类 | Dé guì lì lèi | daiquirí | |
| 动物分类 | dòng wù fēn lèi | classification of animals | |
| 放养鱼类 | fàng yǎng yú lèi | fish stocking | |
| 反人类罪 | fǎn rén lèi zuì | crimes against humanity | |
| 分类理论 | fēn lèi lǐ lùn | classification theory | |
| 符类福音 | fú lèi fú yīn | synoptic gospels (i.e. Matthew, Mark and Luke, with similar accounts and chronology) | |
| 古人类学 | gǔ rén lèi xué | paleoanthropology | |
| 画虎类犬 | huà hǔ lèi quǎn | to try to draw a tiger but end up with a likeness of a dog (idiom) / to try to do sth overambitious and end up botching it | |
| 活性氧类 | huó xìng yǎng lèi | activated oxygen species (AOS) | |
| 甲壳虫类 | jiǎ ké chóng lèi | coleoptera | |
| 另类教育 | lìng lèi jiào yù | alternative | |
| 另类医疗 | lìng lèi yī liáo | alternative medicine | |
| 酶类固醇 | méi lèi gù chún | enzyme steroid | |
| 评价分类 | píng jià fēn lèi | to assess and classify | |
| 人类福利 | rén lèi fú lì | human welfare | |
| 人类肤色 | rén lèi fū sè | human | |
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