hammer /ˈhæmə/  I. n. ［c］ 铁锤，木槌：a power hammer 动力锤; a steam hammer 汽锤;a stone hammer 石锤; a wooden hammer 木榔头；hit the nail with a hammer用锤子钉钉子 ‖II. vt. 1. 打，锤打：Hammer the nail in. 把钉子钉进去。2. 用于短语动词 hammer away at 长期艰辛劳动：Poor Mark’s been hammering away at his report all weekend.可怜的马克整个周末一直在准备他的报告。hammer out 经争论后达成（协议，共识等）：Our lawyers expect to hammer out an agreement with the industry within a few months.我们的律师想在几个月内与产业部门磨合成一个协议。