lock;zero in on;home in on;stay tuned to 导弹～了目标。The missile locked onto the target./鱼雷飞向～的目标舰。The torpedo homed in on the targeted ship./雷达～了敌机。The radar homed in on the enemy plane./～第八频道stay tuned to channel 8/～世界各地的能源供应lock up energy supplies around the world