I don't know how she manages on her own with four kids.
我真不知道她一个人是怎么养活她那四个孩子的。
If you don't know how to do, please try the following four steps.
如果您不知道该怎么做，请尝试以下四个步骤。
We don't know for sure how much mass our Sun's lost over the last four billion years.
我们不知道我们的太阳在过去的40亿年里损失了多少质量。
On the front she’d written -- “We’ve been together for four hours now and this is how much you know about me.
她在正面写道——“我们在一起四个小时了，这就是你所知道我的情况。
I don't know how long I slept, maybe only three or four minutes.
我不知道自己睡了多久，也许只有三四分钟。
How he finagled four row seats to the game I'll never know.
他是怎样弄到四张前排球票的，我永远不会知道。
But foreign know-how is key to its plans to boost oil output to four million barrels a day within four to five years, from 2.4 million barrels currently.
但是，外国的先进技术对于伊拉克在四、五年内将日产量从目前的240万桶提高到400万桶的计划非常关键。
Tom's going to become an older brother at Christmas, and baby signing could just be how our family of four first gets to know each other.
在圣诞节，Tom就要当哥哥了，婴儿肢体动作正是我们四口之家了解彼此的方法。
I lived in New York for four years, so I know how to be safe at night.
我在纽约生活了四年，所以知道怎样在夜晚注意安全。
I graduated from university four years ago. I had always dreamed of going, and I know how fortunate I am to have had the opportunity to do so.
四年前，我大学毕业。我曾经一直梦想着自己可以去大学读书，并庆幸自己能有机会实现。
Our house will be pretty simple - four walls and a roof, but we'll get to know how to create vertices and faces, and how to form surfaces from faces' groups.
我们的房子非常简单——四面墙、一个房顶，但是我们将学会如何建立多个顶点和多个面，并且从多个面的组里面构建表面。
"the four years child cotinued, "well, animals already know how to do that, so they don't have to stay as long.
“四年的童年过去了”动物应该已经懂得该怎样做，所以，它们也就没必要呆得更久一点了。
They've invited all their friends (but only the four that know how to scuba dive are going to attended. ) Lillian had a special white wedding wetsuit made.
莉莉安订做了一件特别的白色婚礼用保温潜水服。
Step Four: For each step, identify the standards, i. e. how you will know when the step has been done correctly.
第四步：为每一步骤都找到标准，例如：你如何知道这一步做的是否正确？
How they're taught: Green children like to know steps one, two, three and four of a new task;
如何教他们：绿色孩子喜欢知道一件新任务的步骤一、二、三、四；通常需要提醒他们不要赶在前面。
I've studied English for four years. I want to know about my English level. How can I test it?
我学习英语已有四年了，我想知道我的英语水平。我该如何检测它呢？
Although "four" of the "golden signboard" make many enterprises street-cred, but don't know this "gold-lettered signboard" in the auditing environment how long can you hold?
虽然“四大”的“金字招牌”使很多企业趋之若鹜，但不知道这个“金字招牌”在此审计环境下还能坚持多久？
'it leaves a question mark on China's operational know-how,' said an executive with one of the four foreign companies that sold China high-speed technology several years ago.
多年前向中国出售高铁技术的四家外国公司之一的一位高管说，故障令人质疑中国经营高铁的专业技术。
A good front end engineer needs to know how to balance the wants and desires of all four groups in order to come up with an optimal solution.
优秀的前端工程师必须知道如何平衡这四类人的需求和预期，然后在此基础上拿出最佳解决方案。
I think I should say it is quite realistic, after all, I stayed in Beijing for four years, how many know the number of graduates in the private status of the ordinary.
我觉得我说的应该还是比较符合实际的，毕竟我也在北京待了四年了，多少知道一些在私企的普通毕业生的现状。
I've been parenting for over four years now and I still don't really know how to react to them most of the time.
至今为止，我已当了4年的家长，但大多数时间里我还是不知道该如何对他们做出反应。
Has been here some days - three or four - I don't know how many - Ican't collect my thoughts.
到这儿好几天了——三四天吧——我不知道是几天——我方寸太乱。
Has been here some days - three or four - I don't know how many - Ican't collect my thoughts.
到这儿好几天了——三四天吧——我不知道是几天——我方寸太乱。
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