共和党人则嘲笑说，奥巴马以前表示将在阿富汗采取强硬政策原来一直是虚张声势。
Republicans snort that he was bluffing all along when he said he would get tough in Afghanistan.
她明确表示自己以前从未见过他。
约翰•汉姆表示：“我们以前认为，压力是随机出现的危急现象，只会偶尔发生。
We used to think of pressure as this random acute phenomenon that happened every once in a while.
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