二 (èr)

Etymology

Two horizontal strokes, representing the number two.

Shuowen Jiezi

《說文》：“二，地之數也。从偶一。弍，古文。”

Example sentences

1. 你二了。 — You're stupid.
2. 二选一。 — Choose one of the two.
3. 一石二鸟。 — To kill two birds with one stone.
4. 她十二岁。 — She's 12 years old.
5. 第二个吧。 — I'd say the second one.

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