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- Open to doubt or challenge; problematic. 可疑的易于受到怀疑或挑战的; 有疑问的
- Subject to doubt or question; uncertain. 可疑的，有问题的；不确定的
- Deductions based on analogy are frequently open to doubt. 根据类比作出的演绎推论常容易引起质疑。
- Whether he will continue to be successful in future is open to doubt. 他今后能否继续获得成功值得怀疑。
- It encourages the spread of all kinds of individualism and causes people to doubt or even to reject socialism and the Party's leadership. 助长形形色色的个人主义思想泛滥，助长一部分人当中怀疑以至否定社会主义和党的领导的思潮。
- The more premarital sex the individuals have had, the greater the tendency to doubt or to suspect one another. 他们在婚前的性行为越多，就越有可能相互怀疑或猜疑。
- Such errors confuse and trouble believers and can lead them to doubt or lose their salvation. 诸如此类的误用会迷惑与困扰基督徒，使他们对信仰产生怀疑，失去救恩。
- Researchers also cautioned that the findings are not conclusive. Conclusive means putting an end to doubt or uncertainty, a. 确实的;最后的,决定性的。
- This is a genus of closely related, intergrading species where the number of taxa meriting recognition is still open to doubt. 这一接近有关，值得识别的的数量分类群可以考虑怀疑在哪里的过渡性种的属。
- The striking development is not that the veracity of some is open to doubt, but that this forgivingly collusive arrangement has now broken down: not the fact of lying, but the naming of it. 惊人的发展并不在于谎言的真实性被公开的质疑，而在于这种被宽容的共识现在已经瓦解：不是谎言背后的真相被质疑，而是撒谎的名义被质疑。
- For my part, I have no reason to doubt him. 就我来说，我没有理由怀疑他。
- To feel doubt or distrust about. 怀疑或不相信
- Whether Mr Obama can deliver on his promises is open to doubt: his inspiring rhetoric is marred by a willingness to compromise with his party's free-spending establishment in Congress. 奥巴马能否兑现自己的承诺广受质疑：他和国会山挥霍无度的民主党人间的妥协让他鼓舞人心的演说黯然失色。
- His suitability for the post is open to question. 对这一职位他是否适宜很成问题。
- To regard with doubt or disbelief. 不相信，不信任怀疑地或不全信看待
- The bridge is now open to traffic. 这座桥现在可以通行。
- You have several choices open to you. 有几种可能性供你选择。
- To free from doubt or question; assure. 使确信:使避免怀疑或有疑问;使确信。
- Don't lay yourself open to attack. 不要让自己轻易受人攻击。
- Play alone or challenge a friend! 你可单独游戏或挑战你的朋友！！
