sell securities or commodities or foreign currency that is not actually owned by the seller, who hopes to cover (buy back) the sold items at a lower price and thus to earn a profit
2
underestimate the real value or ability of
双语例句
1
However, someone who sellsshort the shares may end up with very substantial losses if the price rises by a large amount.
然而，要是价格大幅度上涨，卖空股票的人士可能会蒙受伟大亏损。
2
It is more questionable when a trader sells a stock short without even taking the trouble to borrow it or make sure it can be borrowed.
但当一个交易商在还没有确认是否用能力借到股票的情况下就出售还未到手的股票时，问题就产生了。
3
But King sells himself short - as do literary critics the world over.