31. | We have no positive proof . |
| 我们没有确凿证据。
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32. | It is a sure proof that…. |
| 它确实证明……
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33. | as a proof of gratitude to sb. |
| 借以证明对某人的感激。
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34. | They gave him a gold watch as ( a ) proof of their regard. |
| 他们送他一块金表,以示敬意。
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35. | I wouldn't demand proof of honesty from a friend. |
| 我不会要求一位朋友证明他的诚实。
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36. | He has given proof of his honesty. |
| 他已证明了自己的诚实。
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37. | Can you give proof of your nationality? |
| 你能证明他是小偷吗?
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38. | He made proof of patriotism by…. |
| 他以……证实自己的爱国精神。
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39. | It is too evident to require proof . |
| 事情很明白,不需要证据。
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40. | The new product has stood a severe proof . |
| 新产品经受了严格的考验。
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