ダイナマイトがドカンと爆発した。

ダイナマイトがどかんと爆発した。

The dynamite went off with a bang.

ダイナマイトがドカンと爆発(ばくはつ)した。

Dainamaito ga dokan to bakuhatsushita.

ダイナマイト (ダイナマイト)

dynamite

が (が)

indicates sentence subject (occasionally object); indicates possessive (esp. in literary expressions); but; however; still; and

どかん (どかん)

with a bang

と (と)

if; when; and; with; particle used for quoting (with speech, thoughts, etc.); quoting particle; promoted pawn; indicates question (sentence end)

爆発 (ばくはつ)

explosion; detonation; eruption

Readings: バク、は.ぜる

Meanings: bomb, burst open, pop, split

Readings: ハツ、ホツ、た.つ、あば.く、おこ.る、つか.わす、はな.つ

Meanings: departure, discharge, publish, emit, start from, disclose, counter for gunshots