1. 你的律师可以告诉你是否起诉。
Your lawyer can advise you whether to take any action.

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2. 他竖起耳朵谛听是否有人跟踪。
He tensed himself, listening to see if anyone had followed him.

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3. 这是否正确,我没有太大把握。
I'm not too sure if this is right.

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4. 她所担心的只有他是否都好。
All she's worried about is whether he is all right.

《柯林斯英汉双解大词典》

5. 我去看过母校是否依然存在。
I went to see if my old school was still there.

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6. 我问他们是否可以给我换票。
I asked whether they could change my ticket.

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7. 他的伙伴们问他是否受伤了。
His comrades asked him if he was hurt.

《柯林斯英汉双解大词典》

8. 问题是,他对局势是否了解。
The question arises as to whether or not he knew of the situation.

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9. 我不知道他是否说了真话。
I don't know if he's telling the truth or not.

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10. 她问我是否喜欢我的晚餐。
She asked me if I'd enjoyed my dinner.

《柯林斯英汉双解大词典》

11. 很难判断她是否在生气。
It was difficult to gauge whether she was angry or not.

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12. 电话响了。凯瑟琳迟疑着,考虑是否接听。
The telephone rang. Catherine hesitated, debating whether to answer it.

《柯林斯英汉双解大词典》

13. 不知您是否能帮我的忙?
I wonder if you can help me.

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14. 这是否属实尚无定论。
The jury is out on whether or not this is true.

《柯林斯英汉双解大词典》

15. 不知你是否能帮助我。
I was just wondering if you could help me.

《柯林斯英汉双解大词典》

16. 她问我是否会帮忙。
She asked if I would help.

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17. 检查接头是否牢固,木头是否完好。
Check that joints are secure and the wood is sound.

《柯林斯英汉双解大词典》

18. 总统是否诚实,还有许多疑问。
Questions remain about the president's honesty.

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19. 他们质疑这项法律是否符合宪法。
They questioned the constitutionality of the law.

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20. 这些试验是否有用,人们有所保留。
There are doubts about the usefulness of these tests.

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21. 医生检查伤口是否有感染的迹象。
The doctor probed the wound for signs of infection.

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22. 货物到达时检查是否有破损。
The goods were examined for damage on arrival.

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23. 你目前是否享有政府补助金?
Are you in receipt of any state benefits?

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24. 有人质疑安全措施是否充分。
The adequacy of the security arrangements has been questioned.

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25. 威利问我以前是否放过风筝。
Willy asks if I've ever flown a kite before.

《柯林斯英汉双解大词典》

26. 这种疗法是否安全争论很大。
There is considerable disagreement over the safety of the treatment.

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27. 父母是否应当负担全部学费?
Do parents have to bear the whole cost of tuition fees?

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28. 此项决定是否正确值得怀疑。
The correctness of this decision may be doubted.

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29. 这项约定是否合法值得怀疑。
The arrangement is of doubtful legality.

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30. 法庭将裁定此举是否合法。
The court will rule on the legality of the action.

《牛津词典》