今天我们要学的词是hammer out。 Hammer out, 意思是经过仔细的推敲和讨论制定出。如， "It took the two sides weeks of negotiations to hammer out an acceptable compromise," 双方经过几个礼拜的谈判，才终于产生了彼此都能接受的妥协方案。

叙利亚全国委员会表示， "Syria's anti-Assad opposition groups will meet in Istanbul to hammer out common objectives," 叙利亚反阿萨德的各反对派组织将在伊斯坦布尔开会，制定共同目标。 "Google is trying to hammer out Google Voice integration agreements with more carriers," 谷歌公司正努力同更多的移动运营商谈判，希望在兼容谷歌语音服务方面的达成协议。 好的，今天我们学习的词是hammer out...