It was the last one they had and they sold it me at a knock-down price.

这是他们手中的最后一个，他们以低价卖给我。

youdao

Perhaps he'll knock the price down a little if the glass is broken.

如果玻璃有破损，或许他还会再降点儿。

youdao

Mr Franzia, who anticipated the glut, cut production at his own vineyards and then stepped in to buy the excess grapes at a knock-down price.

ECONOMIST: Why a cult $2 plonk has America's wine industry in a spin

Rather than let the bank fall into foreign hands, however, the government cancelled the tender and sold it to a local Polish consortium for a knock-down price.

ECONOMIST: Polish banks

Boris Berezovsky claimed he held a sizeable stake in the younger oligarch's oil and aluminium companies, and was bullied into selling those shares at a knock-down price after Roman Abramovich threatened that the Kremlin - with which Mr Berezovsky had fallen out - would seize them.

BBC: Uncovered: Trial of the oligarchs