成せい語ご

noun

set phrase; idiomatic expression

Refers to a fixed, conventional phrase or idiom, often with a classical or literary origin. Similar to 慣用句 but may emphasize the fixed, established nature of the expression.

• 「四し面めん楚そ歌か」は中ちゅう国ごくの故こ事じに由ゆ来らいする成せい語ごです。

  "四面楚歌" is a set phrase derived from a Chinese historical anecdote.

• この文ぶん章しょうには多おおくの成せい語ごが使つかわれている。

  Many set phrases are used in this text.