水と油

みずとあぶら

two incompatible things (or people)

Meanings

  1. expression, noun, idiom two incompatible things (or people); (going together like) oil and water

Its kanji

In sentences

水みずと油あぶらはまざらない。 Oil and water don't blend. #143803

水みずと油あぶらは混まざらないよ。 Water and oil don't mix. #10049452