home in on transitive verb [home in on sth] ① (move towards) «missile» 导向 dǎoxiàng ‹target›▸ sharks can home in on tiny amounts of blood in the sea 鲨鱼在海里能精确定位极少量的血 ② (focus on) 注意到某事物 zhùyì dào mǒu shìwù ▸ the FBI has begun to home in on the Guatemalan connection 联邦调查局已经盯上了危地马拉的贩毒网络 |