burn down
US /bɜːrn daʊn/
UK /bɜːrn daʊn/

1.
全焼する, 焼き払う
to destroy something with fire, or to be destroyed by fire
:
•
The old factory burned down last night.
古い工場は昨夜全焼した。
•
They threatened to burn down the entire building.
彼らは建物全体を焼き払うと脅した。
全焼する, 焼き払う
to destroy something with fire, or to be destroyed by fire