英语翻译：我们需要很长时间才能完成这部词典（before)
问题描述：
英语翻译：我们需要很长时间才能完成这部词典（before)
答
We need a long time to finish this dictionary.
或者
It will take us a long time to finish this dictionary.
答
We can't finish the dictionary before long.
答
It had taken a long time before we completed the compilation of this dictionary.
上面的时态是过去完成时,指的是过去已经完成了词典.我不知道原文的时态是讲目前还是讲过去,如果是讲目前,则改成将来完成时：It will have taken a long time before we complete the compilation of this dictionary.