- 二十五 èrshíwǔ twenty-fivethe number 25
- 二十四 èrshísì twenty-fourthe number 24
- 二十万 èrshíwàn two hundred thousandthe cardinal number representing two hundred thousand
- 二十三 èrshísān twenty-threethe cardinal number twenty-three.
- 二十来 èrshílái around twentyapproximately twenty; a number slightly more than twenty.
- 二十一 èrshíyī twenty-onethe number 21
- 二十八 èrshíbā twenty-eightthe cardinal number 28
- 二十四节气 èrshísìjiéqi 24 solar termsThe 24 solar terms, calculated from the position of the sun on the ecliptic, that divide the year into 24 equal periods.
- 不管三七二十一 bùguǎnsānqī'èrshíyī blindlyacting recklessly or impulsively based on a simplistic or hopelessly optimistic assumption
- 二十一点 èrshíyīdiǎn blackjackthe card game blackjack
- 三七二十一 sānqī'èrshíyī factsthe facts of the matter or the actual situation
- 二十四史 èrshísì Shǐ long storyA figurative reference to a long, tedious, or extremely complicated story or situation.
- 百分之二十 bǎifēnzhī'èrshí twenty percenta ratio expressed as a fraction of one hundred, specifically equal to twenty out of one hundred.
- 二十八宿 èrshíbāxiù twenty-eight constellationsthe twenty-eight constellations of traditional Chinese astronomy
- 二十五史 èrshíwǔshǐ dynastic historiestwenty four dynastic histories (or 25 or 26 in modern editions)
- 茄二十八星瓢虫 qié'èrshíbāxīngpiáochóng hadda beetle28-spotted ladybird (Henosepilachna vigintioctopunctata), a common agricultural pest of eggplants and other solanaceous plants
- 一部二十四史，不知从何说起 yībù'èrshísìshǐ, bùzhīcónghéshuōqǐ long storyIt's a long and intricate story, I hardly know where to start.
- 二十一世纪 èrshíyīshìjì 21st century
- 二十一条 èrshíyī Tiáo Twenty-One Demandsthe Japanese Twenty-One Demands of 1915
- 二十世纪 èrshíshìjì 20th century
- 二十四孝 èrshísì Xiào Twenty-four Filial Exemplarsthe Twenty-four Filial Exemplars, a classic Confucian text on filial piety from the Yuan dynasty
- 二十多 èrshíduō twenty-oddover twenty; more than twenty
- 二十年目睹之怪现状 èrshí Nián Mùdǔzhī Guài Xiànzhuàng late Qing novelThe Strange State of the World Witnessed Over 20 Years, novel by late Qing novelist [[吴趼人|吳趼人|Wu2 Jian3 ren2]]
- 二十面体 èrshímiàntǐ icosahedron
- 二百二十 èrbǎi'èrshí two hundred twentythe cardinal number 220
- 管他三七二十一 guǎntāsānqī'èrshíyī regardlessacting impulsively or without considering the consequences; no matter what
- 一百二十八 yībǎi'èrshíbā one hundred twenty-eightthe number 128
