The price we offered is more favorable than the quotations you can get from our competitors, I'm afraid.
恐怕我方报价比您从我方竞争对手那儿得到的报价更优惠。
I'm not sure. I ought to do some studying, as I've got masses of work to do, but I think I'll be too tired. Maybe I'll just watch the news on television and go to bed early.
还不清楚。我有大量的作业要做,按理我应该学习,但是我想这样一来我会很累的。我可能会看看电视新闻,然后早点上床睡觉。