| 兵家常事 | bīng jiā cháng shì | commonplace in military operations (idiom) |
| 出没无常 | chū mò wú cháng | to appear and disappear unpredictably |
| 十常侍 | shí cháng shì | Ten Permanent Functionaries at the end of Han, a byword for corruption |
| 基因染色体异常 | jī yīn rǎn sè tǐ yì cháng | genetic chromosome abnormality |
| 太常 | Tài Cháng | Minister of Ceremonies in Imperial China, one of the Nine Ministers 九卿 |
| 定常态 | dìng cháng tài | constant state; fixed state |
| 家常菜 | jiā cháng cài | home cooking |
| 家常豆腐 | jiā cháng dòu fu | home-style tofu |
| 常任理事国 | cháng rèn lǐ shì guó | permanent member state (of UN Security Council) |
| 常住 | cháng zhù | long term resident; permanent residence; eternalism (permanence of soul, Sanskrit śāśvata-vāda) |
| 常住论 | cháng zhù lùn | eternalism (permanence of soul, Sanskrit śāśvata-vāda) |
| 常俸 | cháng fèng | fixed salary of an official |
| 常务委员会 | cháng wù wěi yuán huì | standing committee (e.g. of National People's Congress) |
| 常务理事 | cháng wù lǐ shì | permanent member of council |
| 常胜军 | cháng shèng jūn | Ever Victorious Army (1860-1864), Qing dynasty army equipped and trained jointly with Europeans and used esp. against the Taiping rebels |
| 常问问题 | cháng wèn wèn tí | frequently asked questions; FAQ |
| 常坐汽车者 | cháng zuò qì chē zhě | motorist |
| 常委会 | cháng wěi huì | standing committee |
| 常客 | cháng kè | frequent visitor; fig. sth that crops up frequently |
| 常宁 | Cháng níng | Changning county level city in Hengyang 衡阳, Hunan |
| 常宁市 | Cháng níng shì | Changning county level city in Hengyang 衡阳, Hunan |
| 常山 | Cháng shān | Changshan county in Quzhou 衢州, Zhejiang |
| 常山县 | Cháng shān xiàn | Changshan county in Quzhou 衢州, Zhejiang |
| 常州市 | Cháng zhōu shì | Changzhou prefecture level city in Jiangsu |
| 常微分方程 | cháng wēi fēn fāng chéng | ordinary differential equation (ODE) |
| 常德地区 | Cháng dé dì qū | Changde prefecture in Hunan |
| 常德市 | Cháng dé shì | Changde prefecture level city in Hunan |
| 常态分布 | cháng tài fēn bù | normal distribution (in statistics) |
| 常态化 | cháng tài huà | normalization of relations |
| 常春藤 | cháng chūn téng | ivy |
| 常时 | cháng shí | frequently; often; usually; regularly |
| 常染色体 | cháng rǎn sè tǐ | autosomal chromosome; autosome; autosomal |
| 常熟 | Cháng shú | Changshu county level city in Suzhou 苏州, Jiangsu |
| 常熟市 | Cháng shóu shì | Changshou county level city in Suzhou 苏州, Jiangsu |
| 常理 | cháng lǐ | common sense; conventional reasoning and morals |
| 常用品 | cháng yòng pǐn | everyday implement; object of everyday use |
| 常用字 | cháng yòng zì | everyday words |
| 常绿 | cháng lǜ | evergreen |
| 常绿植物 | cháng lǜ zhí wù | evergreen plant |
| 常绿树 | cháng lǜ shù | evergreen tree |
| 常衡制 | Cháng héng zhì | Avoirdupois Weight, a system of weights based on the 16-ounce pound (or 7,000 grains) |
| 常见问题 | cháng jiàn wèn tí | common problems; FAQ |
| 常规铜电话线 | cháng guī tóng diàn huà xiàn | ordinary copper telephone line |
| 常言说得好 | cháng yán shuō de hǎo | as the saying goes; as they say... |
| 常设 | cháng shè | (of an organization etc) standing or permanent |
| 常轨 | cháng guǐ | normal practice |
| 常道 | cháng dào | normal and proper practice; conventional practice; common occurrence |
| 常青藤 | cháng qīng téng | ivy |
| 常青藤八校 | cháng qīng téng bā xiào | Ivy League |
| 常项 | cháng xiàng | constant term (in a math expression) |
