- 第二 dì'èr secondthe ordinal number after the first; number two in a sequence
- 第二天 dì'èrtiān next daythe following day; the day after a specified point in time
- 第二次 dì'èrcì second timethe second time; second; number two
- 二手房 èrshǒufáng pre-owned housesecond-hand house or real estate acquired indirectly rather than from the original developer
- 二十 èrshí twentytwenty; 20
- 周二 Zhōu'èr Tuesday
- 十二 shí'èr twelvethe cardinal number between eleven and thirteen
- 二者 èrzhě bothboth of them; the two items, people, or parties previously mentioned
- 十二月 Shí'èryuè Decemberthe twelfth month of the Gregorian calendar
- 第二轮 dì'èrlún second roundsecond round (of a match or election)
- 二月 èryuè Februarythe second month of the Gregorian calendar
- 独一无二 dúyīwú'èr uniqueunique; unmatched; unrivalled
- 二手 èrshǒu second-handindirectly acquired or previously owned (referring to information, equipment, etc.)
- 老二 lǎo'èr penisa euphemism for the male sex organ
- 二战 èrzhàn World War II
- 星期二 Xīngqī'èr Tuesday
- 其二 qí'èr secondlysecondly; used to introduce a second point or reason in an enumeration
- 第二位 dì'èrwèi second place
- 三分之二 sānfēnzhī'èr two-thirdsa fraction representing two parts out of a total of three equal parts.
- 初二 chū'èr eighth gradesecond year in junior middle school
- 第二季度 dì'èrjìdù second quartersecond quarter (of the financial year)
- 二级 èrjí grade 2the second rank or level in a system or proficiency scale
- 二手车 èrshǒuchē used carsecond-hand car
- 二线 èrxiàn second linea secondary position or less influential role, often used in government or corporate contexts to describe senior officials who have stepped down from frontline executive duties.
- 二氧化碳 èryǎnghuàtàn carbon dioxidecarbon dioxide (CO2)
- 一清二楚 yīqīng'èrchǔ perfectly clearto be very clear about something (idiom)
- 二审 èrshěn second trial(law) second instance; second trial
- 十二指肠 shí'èrzhǐcháng duodenum
- 二元 èryuán binaryinvolving two variables or components, especially in mathematics, logic, or computer science
- 二来 èrlái secondly
- 二氧化硫 èryǎnghuàliú sulfur dioxidesulfur dioxide SO2
- 接二连三 jiē'èrliánsān successively(idiom) one after another; in quick succession
- 二等 èrděng second-classbelonging to the second rank, grade, or category in a system of classification
- 二胡 èrhú erhuA traditional Chinese two-stringed musical instrument played with a bow, often referred to as an alto fiddle.
- 一干二净 yīgān'èrjìng completelythoroughly or entirely, often regarding forgetting, consuming, or removing things
- 二流 èrliú second-ratebelonging to a quality or status that is below the top tier
- 二尖瓣 èrjiānbàn mitral valvemitral valve (physiology)
- 一分为二 yīfēnwéi'èr divideto split one into two parts; the philosophical concept of one dividing into two
- 二次元 èrcìyuán ACG worldthe fictional worlds of anime, comics, and games (Japanese: nijigen)
- 二话不说 èrhuàbùshuō without a word(idiom) not saying anything further; not raising any objection; without demur
- 一二 yī'èr a littlea few, a little, or just a bit; a small amount of knowledge or degree
- 二老 èrlǎo parentsone's father and mother
- 二十五 èrshíwǔ twenty-fivethe number 25
- 第二产业 dì'èrchǎnyè secondary industry
- 二十四 èrshísì twenty-fourthe number 24
- 二月份 èryuèfèn February
- 二房 èrfáng concubinea second wife or concubine in a traditional polygamous household
- 二人转 èrrénzhuàn folk dueta genre of song-and-dance duet popular in northeast China
- 二分之一 èrfēnzhīyī halfone half
Sources
- Frequency data
- MTSU Chinese text computingSUBTLEX-CH