| 1. | It 's hard to say what his intentions were in saying that . 他说这番话,不知存的什么心。 |
| 2. | It is hard to say . usually , it takes twenty-five minutes . 很难说,通常需要二十五分钟。 |
| 3. | How he had arrived at this conclusion it is hard to say . 很难说他究竟怎么得出这个结论的。 |
| 4. | It is hard to say who it was . 很难说是谁。 |
| 5. | You knew this at the first sniff, though it was hard to say how . 虽然,你说不出为什么,一闻就知道。 |
| 6. | These two paintings are well-matched in workmanship . it 's hard to say which is better . 这两幅画工力悉敌,很难评论高下。 |
| 7. | It is hard to say . there have been ups and downs . anyhow all of us are making progress . 难说,好好坏坏,不过总有些进步。 |
| 8. | It is hard to say , but i am sure one of the purposes is to construct a good philosophy for oneself . 很难说,但我确定大学生活的目标之一是要为自己建立一个好的人生观。 |
| 9. | It ' s hard to say , you ' d better beg for the god 这很难说,你最好祈求上苍保佑吧。 |
| 10. | That ' s why it ' s hard to say just what a fever is 这是为什么难以定义发烧的原因。 |