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- Since I do not know the details,I can only generalize about the matter. 由于不了解详情，我对此事只能泛泛而谈。
- Since I do not know the details, I can only generalize about the matter. 由于不了解详情，我对此事只能泛泛而谈。
- She does not know the gravity of her illness. 她不知道自己病情严重。
- He do not know the true story, so he draw on his imagination. 他不知道事情的真相，于是乎就凭空捏造了。
- People do not know the value of health till they lose it. 直到失去健康，人们才知道健康的可贵。
- The details of the principal cause are not known. 主因未详。
- I need to know the details of ths plan. 我需要知道这个计划的细节。
- I do not know the names of the objects in this lab. 我不知道这个实验室里物件的名称。
- We do not know the value of health till we lose it. 失去健康才知道健康的可贵。
- I do not know the address, but it's two block north of the sheraton hotel. 我不知道地址，但地点是离SheratonHotel北边两条街的地方。
- I fear I do not know the answer to that. 我恐怕回答不出那个问题。
- I do not know the English equivalent for the word. 我不知道这个字的英语相当语为何。
- It's too heavy,but I do not know the exact weight. 它太重了，但是我不知道确切的重量。
- I've heard about it, but I don't know the details. 这事曾经耳闻， 详细情况不很清楚。
- I would love to dance, but I do not know the steps. 我喜欢跳舞不过不懂舞步。
- Dear me, I did not know the price is so high! 哎呀！没想到价格这么高！
- He did not know the inside story. 他不了解内幕。
- We do not know the reason why he suddenly fell ill. 我们不知道他突然生病的原因。
- I am afraid I do not know the ABC of things here. 恐怕我对这儿的情况一点都不了解。
- I can't say for sure because I don't know the details. 我不了解细情，所以不好说。
