vt., vi.1. 用锤敲打He hammered the nail in the wood.他往木头里钉钉子。
Hammer the nails in and then hang these pictures on them.用锤把钉子敲进去,然后把照片挂上去。
2. 反复地锤打The police hammered at the door but there was no response. (喻)警察用力敲门,但没有反应。
3. (常与in连用)反复灌输4. (与at, away at连用)埋头工作