一是一，二是二 in English yi1 shi4 yi1 , er4 shi4 er4 Meaning

Meanings

• literally (word for word) one is one, two is two (idiomatic expression)
• metaphorically things are (or ought to be) perfectly clear-cut
• unequivocal

Pinyin

yi1 shi4 yi1 , er4 shi4 er4

Literal

Literal explanation, with pronunciation and meaning of each character.

一yi1one 是shi4is 一yi1one ， 二er4two 是shi4is 二er4two