二 [er4]

A

汉字：二／拼音：er4

二

èr	two/ 2/ (Beijing dialect) stupid

（二）的使用实例：

简体	繁体	拼音	英文
一不做，二不休	一不做，二不休	yi1 bu4 zuo4 , er4 bu4 xiu1	don't do it, or don't rest (idiom); either give up, or go through to the end/ Since we started, we must carry it through whatever happens./ in for a penny, in for a pound
一干二净	一乾二淨	yi1 gan1 er4 jing4	thoroughly (idiom)/ completely/ one and all/ very clean
一二	一二	yi1 er4	one or two/ a few
一二八事变	一二八事變	Yi1 Er4 ba1 Shi4 bian4	Shanghai Incident of 28th January 1932, Chinese uprising against Japanese quarters of Shanghai
一来二去	一來二去	yi1 lai2 er4 qu4	gradually/ little by little/ in the course of time
一分为二	一分為二	yi1 fen1 wei2 er4	one divides into two/ to be two-sided/ there are two sides to everything/ to see both sb's good points and shortcomings (idiom)
一哭二闹三上吊	一哭二鬧三上吊	yi1 ku1 er4 nao4 san1 shang4 diao4	to make a terrible scene (idiom)/ to throw a tantrum
一回生二回熟	一回生二回熟	yi1 hui2 sheng1 er4 hui2 shu2	unfamiliar at first, but well accustomed soon enough (idiom)
一山不容二虎	一山不容二虎	yi1 shan1 bu4 rong2 er4 hu3	lit. the mountain can't have two tigers (idiom)/ fig. this town ain't big enough for the two of us/ (of two rivals) to be fiercely competitive
一式二份	一式二份	yi1 shi4 er2 fen4	in duplicate
一心二用	一心二用	yi1 xin1 er4 yong4	to do two things at once (idiom)/ to multitask/ to divide one's attention
一是一，二是二	一是一，二是二	yi1 shi4 yi1 , er4 shi4 er4	lit. one is one, two is two (idiom)/ fig. things are (or ought to be) perfectly clear-cut/ unequivocal
一氧化二氮	一氧化二氮	yi1 yang3 hua4 er4 dan4	nitrous oxide N2O/ laughing gas
一清二楚	一清二楚	yi1 qing1 er4 chu3	to be very clear about sth (idiom)
一清二白	一清二白	yi1 qing1 er4 bai2	perfectly clean/ blameless/ unimpeachable (idiom)
一石二鸟	一石二鳥	yi1 shi2 er4 niao3	to kill two birds with one stone (idiom)
一穷二白	一窮二白	yi1 qiong2 er4 bai2	impoverished/ backward both economically and culturally
一退六二五	一退六二五	yi1 tui4 liu4 er4 wu3	lit. 1 divided by 16 is 0.0625 (abacus rule)/ fig. to deny responsibility/ to pass the buck/ also written 一推六二五[yi1 tui4 liu4 er4 wu3]
一部二十四史，不知从何说起	一部二十四史，不知從何說起	yi1 bu4 er4 shi2 si4 shi3 , bu4 zhi1 cong2 he2 shuo1 qi3	It's a long and intricate story, I hardly know where to start.
丁二烯	丁二烯	ding1 er4 xi1	butadiene C4H6/ biethylene
丁二醇	丁二醇	ding1 er4 chun2	butyl glycol
丈二和尚，摸不着头脑	丈二和尚，摸不著頭腦	zhang4 er4 he2 shang5 , mo1 bu5 zhao2 tou2 nao3	lit. like a three-meter high monk, you can't rub his head (idiom)/ fig. at a total loss
丈二金刚摸不着头脑	丈二金剛摸不著頭腦	zhang4 er4 Jin1 gang1 mo1 bu5 zhao2 tou2 nao3	see 丈二和尚，摸不著頭腦\|丈二和尚，摸不着头脑[zhang4 er4 he2 shang5 , mo1 bu5 zhao2 tou2 nao3]
三七二十一	三七二十一	san1 qi1 er4 shi2 yi1	three sevens are twenty-one (idiom)/ the facts of the matter/ the actual situation
三下五除二	三下五除二	san1 xia4 wu3 chu2 er4	three, set five remove two (abacus rule)/ efficiently/ quickly and easily
三十二位元	三十二位元	san1 shi2 er4 wei4 yuan2	32-bit (computing)
三十二相	三十二相	san1 shi2 er4 xiang4	the thirty-two physical characteristics of Buddha
三心二意	三心二意	san1 xin1 er4 yi4	in two minds about sth (idiom)/ half-hearted/ shilly-shallying
上海第二医科大学	上海第二醫科大學	Shang4 hai3 Di4 er4 Yi1 ke1 Da4 xue2	Shanghai Second Medical University
不二	不二	bu4 er4	the only (choice, way etc)/ undivided (loyalty)

还有更多的使用实例被省略掉了。

说明：词汇数据来源于CC-CEDICT，发音数据来源于chinese-lessons.com，对其作者表示感谢！

✍: CEDICT

2021-05-01, 496👍, 0💬