be not certain whether
网络释义
... 对此不能确定 was not certain of it 不能确定否 Be Not Certain Whether 尽管不能确定 Despite Not Sure ...
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双语例句原声例句权威例句
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What is not certain is whether we should follow, or be suspicious of, what our bodies are telling us.
不确定的是，我们是否应该遵循或怀疑我们的身体告诉我们的东西。
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Whether Jacob had seen the box or heard the cry first, he could not be sure, but he was certain that the pitiful sound came from the box.
雅各布不确定自己是先看到纸箱还是先听到喊声，但他确信声音是从箱子里传来的。
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It may be illegal to copy certain materials without permission or license, including documents, images, and currency. If you are not sure whether you have permission, seek legal advice.
未经许可或授权地复制某些物品可能是非法的，包括文档、图像、以及货币等。如果您不确认是否获得了许可，请寻求法律咨询。
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Or perhaps, you could be trying to explain that you don't know whether you can do something or not by a certain date.
又或者，你正在试图解释你没法确定你是否能在一个指定日期前做完某件事。
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