1. 他已证明他能履行自己的诺言。
He has proved he can carry through on his promises.

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2. 他声称有证据能证明自己的清白。
He claims he has evidence which could prove his innocence.

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3. 我们有充分的证据证明他有罪。
We have abundant evidence to prove his guilt.

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4. 我们必须证明侵犯是没有好处的。
We must demonstrate that aggression will not pay.

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5. 只要给我个机会,我会证明给你看。
Just give me a chance and I'll prove it to you.

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6. 结果这座城市证明有点儿令人失望。
The city proved to be something of a disappointment.

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7. 他之所以害怕,证明是有原因的。
His fears proved justified.

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8. 训练并无价值,除非证明其有效。
Training is worthless unless there is proof that it works.

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9. 没有证据证明那把刀子是属于她的。
There is no proof that the knife belonged to her.

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10. 有毒废料这个问题证明难以解决。
A solution to the problem of toxic waste is proving elusive.

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11. 这些理由不足以证明实施禁令有理。
These reasons are not sufficient to justify the ban.

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12. 我们的担心证明是毫无道理的。
Our fears proved groundless.

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13. 事实证明,我们的推断是对的。
Our speculations proved right.

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14. 我们必须证明我们有多坚毅。
We have to prove how gritty we are.

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15. 这个说法能证明是正确的吗?
Is the claim capable of proof?

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16. 这些理论已被证明是错误的。
The theories were demonstrated to be false.

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17. 能证明他确实犯了这些罪吗?
Can it be proved that he did commit these offences?

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18. 我猜400,结果证明是严重的低估。
My guess of 400 proved to be a serious underestimate.

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19. 这一理论现已证明是错误的。
The theory has now been disproved.

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20. 你能提供什么身份证明吗?
Can you provide any proof of identity ?

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21. 我们所有的担心结果都证明是杞人忧天。
All our fears proved ill-founded.

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22. 她决心证明大家都错了。
She was determined to prove everyone wrong.

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23. 这未必是他错了的证明
This is not necessarily proof that he is wrong.

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24. 他们的研究证明了什么?
What have their researches shown?

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25. 这忠告证明是有益的。
This advice was to prove valuable.

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26. 这证明我是对的。
This proves (that) I was right.

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27. 你有身份证明吗?
Do you have any proof of identity?

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28. 你想证明什么?
What are you trying to prove ?

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29. 经证明,计算破产公司的资产较难。
It is proving hard to work out the value of bankrupt companies' assets.

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30. 她得首先证明她有担任领导的资格。
She will first have to establish her leadership credentials.

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