Ideographic: Two parallel lines; compare 一 (one) and 三 (three)Radical:

meaning for èr:

  • - two
  • - 2
  • - (Beijing dialect) stupidboth
  • - both of them
  • - neitherWorld War IIcarbon dioxide CO2one or two
  • - a fewsulfur dioxide SO2

liǎng
jiā
èr
děngyú等于

Two plus two equals four.


de
fángjiān房间
zài
èr
lóu
zhōngjiān中间

My room is in the middle of the second floor.


dāngshí当时
fūqī夫妻
èr
rén
chìshēnlùtǐ赤身露体
bìngbù并不
xiūchǐ羞耻

And they were both naked, the man and his wife, and were not ashamed.


èr
shì
lālǒng拉拢
jūn
de
jìnchén近臣
xuēruò削弱
díguó敌国
de
lìliang力量

Second, be close with those he loves in order to fragment his awesomeness.