So far we do not know how much of a problem it might be.
到目前为止，我们还不知道这个问题的严重性。
He did not know how he ought to behave.
他不知道自己应该怎样表现。
Her grief was still raw and he did not know how to help her.
她的悲伤仍然强烈直露，他不知道如何帮助她好。
The question caught her completely off-guard and she did not know how to reply.
这个问题令她猝不及防，不知道怎么回答。
She does not know how to get to the next block.
她不清楚怎么去下一个街区。
The wine was sweet, and she did not know how strong it was.
酒很甜，但她不知道它有多烈。
That was the question; but he did not know how to answer it.
那就是问题所在；可是他却不知道怎样回答。
Unfortunately, we do not know how to build rockets that fast!
遗憾的是我们不知道怎样制造这么快的火箭！
I will willingly go away with you, but I do not know how to get down.
我很愿意和你一起走，但是我不知道怎么下去。
Poor girl, she did not know how fast she was nearing trouble herself.
可怜的姑娘，她自己也不知道她很快就要遇到麻烦了。
The children do not know how to behave themselves decently.
小孩子不懂如何举止得体。
I do not know how long they lasted.
我不知道这种声音持续了多久。
我不知道怎样把它遮起。
He does not know how many there are.
他既不知道有多少北苏丹士兵，也不在乎这些。
I do not know how to stay with that.
我不知道如何和这样的状态在一起。
I do not know how version 2.0 will be priced.
我不知道版本2.0将如何定价。
But we do not know how to apply these in space.
但我们不知道如何把这些应用于太空。
I am a simple person and do not know how to lie.
我是个很简单的人，不知道怎么撒谎。
We did not know how quickly it was going to move.
我们并不知道它传播的速度有多快。
We do not know how to do what we do and not be stressed.
我们不知道该怎么做我们做什么，而不是强调。
She wanted to continue her education but did not know how.
她想继续学习却不知道该怎么办。
Unfortunately we do not know how to build rockets that fast!
遗憾的是我们不知道怎样制造这么快的火箭。
I am eager to help him, but I really do not know how to help.
我很想帮他，可是我不知道该怎么帮。
Then came the screams and cries. I do not know how long they lasted.
然后就是船上传来的尖叫声和哭声，我不知道持续了多久。
Zhang was very young at that time and did not know how to refuse him.
年轻的张兆和并不懂拒绝，只好以沉默抵抗，只字不回。
Cosette was the difficulty, for she did not know how to climb a wall.
伤脑筋的是珂赛特。珂赛特，她，不知道爬墙。
Hot soup would have comforted her, but she did not know how to make it.
喝点热汤本来可使自己舒服一些，但是她不知道怎样熬汤。
I did not know how to begin or end a letter, or anything at all about it.
那时我既不知一封信怎样开头，也不知怎样收尾，一点也不知道怎么写。
But, the people did not know how to ues the dinnerware to eat their food.
但是，人们不知道怎样用正餐餐具来吃食物。
But, the people did not know how to ues the dinnerware to eat their food.
但是，人们不知道怎样用正餐餐具来吃食物。
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