大だい演えん説ぜつ

noun

harangue; fervent speech; grand oration

Refers to a passionate, often lengthy public speech, sometimes with a connotation of being overblown or theatrical.

• 彼かれは広ひろ場ばで大だい演えん説ぜつをぶった。

  He delivered a fervent speech in the square.

• 選せん挙きょ前まえの大だい演えん説ぜつ会かいには多おおくの人ひとが集あつまった。

  Many people gathered for the grand speech rally before the election.