draw a bead on
美
英 
- na.向…瞄准
- 网络向...瞄准;一心想;用枪瞄准某人
英汉解释
例句
Whenever a politician makes a mistake, his opponents are ready to draw a bead on him.
一个政治家一旦有什么过失,他的对手就会随时攻击他。
The deer bounded into the forest before the hunters could draw a bead on them.
猎人还未瞄准,那些鹿就跳回森林里去了。