jump at the bail

• 吞饵,上钩； 中圈套

jump at the bail的用法和样例：

例句

1. He sat by the river for hours without a bite.
   他在河边垂钓了几个钟头，没有一条鱼上钩。
2. The fish were biting much better last week.
   上星期上钩的鱼更多些。