opening bid

• 开叫

opening bid的用法和样例：

例句

1. Why do you shut out calls at the opening bidding?
   开叫时你为什么用关煞叫阻止对方叫牌？
2. He can have shut out the south 3 diamond opening bid.
   他本来可以开叫三方块来阻止南手叫牌的。