発破 はっぱ Meanings Noun explosive blast (in construction, mining, etc.); blasting Kanji 発 emit. Read as ハツ. 破 break. Read as ハ. Example sentences お子さんに少し、発破をかけた方がいいですよ。You should build a fire under the kid. Common phrases 発破をかける to set off an explosive Jinuma: Japanese Dictionary · Word lists