不知道用英语怎么说？

不知道

• hear nothing of，be ignorant of，be insensible of，be unaware of，in the dark

例句

• I don't know whether I can do it, but I'm willing to have a go. 我不知道我是否能做, 但我愿意试一试。
• He says he's got a new bike, but I don't know if that's for real. 他说他已买了一辆新自行车, 但我不知道是否真有其事。
• The question was so unexpected that, for a moment, she was at a loss how to act up properly. 问题来得这么突然, 她一时不知道如何作出恰当的反应。
• If the spirit of Caesar could be called up by some spell, I wonder what it would think of the present day. 如果凯撒的灵魂可以用符咒召回的话, 我不知道它对当今世界会有什么看法。
• I don't know what to do with it. 我不知道这件事该怎么处理。
• I am perplexed to know what to do. 我不知道怎么做才好。
• They were unaware that war was near. 他们不知道战争即将爆发。
• He became a person whose whereabouts is[are] unknown to me. 他的下落我不知道。
• It was made out by his counsel that he was quite unaware that the money had been stolen. 据他的律师宣称, 他完全不知道钱已被偷走。
• I know nothing about it just now. 目前我什么也不知道。