言語/文法概念/上級の慣用句上級の慣用句2言語上級の慣用句. 2言語.イタリア語Espressioni Idiomatiche AvanzateC1Espressioni idiomatiche avanzate e proverbi come non stare né in cielo né in terra e fare di necessità virtù.英語Advanced IdiomsC2Advanced idioms such as at sixes and sevens, have an axe to grind, add insult to injury, and the ball is in your court.