砰的一声，木板倒下来了。

The plank fell on the ground with a thump.

《新英汉大辞典》

屏风砰的一声倒下了。

Right over there, behind that screen.

youdao

铁皮人说了以后，立刻动手砍树，在一个短时间内，听到砰礴一声响时，树便倒下来了。稻草人的衣裳，也从树枝上掉了下来，落到地面上。

As soon as he had spoken, the Tin Woodman began to chop, and in a short time the tree fell over with a crash, whereupon the Scarecrow's clothes fell out of the branches and rolled off on the ground.

youdao

铁皮人说了以后，立刻动手砍树，在一个短时间内，听到砰礴一声响时，树便倒下来了。稻草人的衣裳，也从树枝上掉了下来，落到地面上。

As soon as he had spoken, the Tin Woodman began to chop, and in a short time the tree fell over with a crash, whereupon the Scarecrow's clothes fell out of the branches and rolled off on the ground.

youdao