不知道

I had no idea who Richard Kelly was or that he had been gravely ill.

我不知道谁是理查德凯利，也不知道他身患重病。

I hold my breath, because I don't know what you want: if you want to grope me in full sight of everyone, you know I won't stop you.

我屏住呼吸，因为我不知道你想要什么：如果你想在众目睽睽下探索我的全部，你知道我不会阻止你。

A Bodhisattva on the first ground does not know the state of a Bodhisattva on the second ground.

这十地的菩萨，初地菩萨就不知道二地菩萨的境界，二地就不知道三地。

I didn't,I didn't know you could have a philosophy of hair.

我不知道，我不知道你还懂头发的学问。

I just can't handle it.

我不知道该怎么办，我不知道

I don't know by whom you are employed,i only know that i recieved several letters for A and B.since you are working for Mr. hanley,i sincerely tell you that if you lose both A and B,there will be reasons for Mrhanleyto regret:you would have to buy it at a much higher price if it were bought by another ivesgating company;it would mean a great trouble if the fans got it;it would be a greater touble it you rivals got it.so i don't want you to lose this,and if you bought this, there would be great benefits:eg.if you cultivate the market in china, there will be many opportunities for you ,because this kind of companies are too few in china, your stock will be hot.

生活小百科网：『我也不知道你受雇于谁，我只知道我这来了几封购买A和B的信件，既然你受雇于hanley先生，我诚恳的告诉你失掉A和B，有几种原因会让hanley先生后悔的，如果让投资公司购买到你以后得花更高的代价，如果让此歌迷得到以后购买也许会很麻烦的，如果你让竞争对手得到的话你就会很糟糕的，我也不想你失去此A和B，如果你购买的话会产生很好的效果，如宣布开阔中国的市场，你就会带来更多的机运，因为中国这方面的公司实在太少了，你的股票也会大涨。

And when I hardly knew enough to know what it was I didn't know.

当我知道不够，难以知道这是我不知道。

I have no idea, I really don't.

我不知道，我真不知道。

I don't know if I'll have the patience.

我不知道我有我不知道我有没有耐心。

I shook my head helplessly ,unsure of what to do or say .

我无助地摇摇头，不知道说些什么好，也不知道该怎么办。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。