knockdown [ˈnɑkˌdaʊn]

例句:

• He bought the three mansions for a knockdown £7 million.
  他以700万英镑的低价买了这3座大宅。
  
• He gave me a real knockdown to the company.
  他将我详细介绍给公司.
  
• The trouble is that few want to buy, despite the knockdown prices on offer.
  问题是尽管要价极低，却很少有人想买。
  
• However, sport's ultimate comeback move is the recovery from a knockdown.
  来自BBC
• Lallana then latched onto a Lambert knockdown and drilled a shot over the bar.
  来自BBC
• It seems that everything we've done this last year has been a knockdown, drag out fight.
  来自VOA