out of sight idiom          
 informal超出支付能力的 
extremely expensive and more than you are able to spend
  The price of the house we like is out of sight. 我们喜欢的那栋房子的价格超出了我们的支付能力。 
  slang极好的 
excellent
  The group's new record is out of sight! 这个乐队的新唱片出奇地好!