home in on sth

• 瞄准； 对准

home in on sth的用法和样例：

例句

1. They ranged their guns on the enemy blockhouse.
   他们把大炮瞄准敌人的碉堡。
2. He had the deer in his sights now.
   他现在瞄准了那头鹿。
3. She trained her camera on the caged panda.
   她把照相机对准笼子里的熊猫。
4. The cannon is zeroed in on a certain target.
   大炮对准一个确定的目标。