to drop a line

• 垂钓

to drop a line的用法和样例：

例句

1. The angler cast her line into the stream.
   那个垂钓者把鱼线掷进了小溪里。
2. 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。