門もん外がい

noun

outside a gate; beyond one's expertise

Literally 'outside the gate'; figuratively, refers to something outside one's field of knowledge or experience. Often used in the phrase 門外漢 (もんがいかん) meaning 'layman' or 'outsider'.

• 門もん外がいで待まっていてください。

  Please wait outside the gate.

• その話わ題だいは私わたしには門もん外がいだ。

  That topic is outside my area of expertise.