火蓋を切る
Idiom- 1to start (an argument, a battle, etc.) Translated by Jiyomi
Other writings and readings
火ぶたを切る火蓋をきる火ぶたをきる
expressions (phrases, clauses, etc.) · Godan verb with 'ru' ending
Kanji · tap to open
JMdict entry 2252980. Source and licence.