ナイフ Learn Unstarted Literal Breakdown Recording English Japanese Learn na (katakana) ナ Learn i (katakana) イ Learn fu (katakana) フ Learn Summary The Japanese translation for “knife” is ナイフ. The Japanese, ナイフ, can be broken down into 3 parts:"na (katakana)" (ナ), "i (katakana)" (イ) and "fu (katakana)" (フ). Practice Lesson "knife" Practice (4) Lesson Learn Lesson words knife etc. View all lesson words Lesson phrases This lesson has no phrases. Part of Speech Courses Nouns 1