一是一，二是二 yī shì yī ， èr shì èr

DEFINITIONS

  1. lit. one is one, two is two (idiom)
  2. fig. things are (or ought to be) perfectly clear-cut
  3. unequivocal

CHARACTERS

一 yī
HSK 1
one; a, an; alone
是 shì
HSK 1
indeed, yes, right; to be; demonstrative pronoun, this, that
一 yī
HSK 1
one; a, an; alone
二 èr
HSK 1
two; twice
是 shì
HSK 1
indeed, yes, right; to be; demonstrative pronoun, this, that
二 èr
HSK 1
two; twice