一、惯用法问题 不要按汉语“虽然……但是……”的表达习惯，在 although 后连用 but。如： 虽然天很冷，但我们还是去了那儿。 正：Although it was cold, we went there. 误：Although it was cold, but we went there. 但是在强调时，although 可与 yet, still 等副词连用。如： Though he seems happy, yet he is worried. 虽然他看起来很幸福，但...