We can only guess ( ie We cannot be certain about ) what happened.

Be certain you catch your train on time.

务必准时赶上火车.

Accept full responsibility for one's error.

对自己的的错误负完全责任.

We need to build better cars for less money.

我们需要用较少的的钱制造出更好的汽车.

We don't know that their design was so bloody.

我们不知道他们有这种凶残的的打算.

In the second part, it main discussion in Xiang army foundation period, the aides and staff have an effect on found Xiang army, in the aspects of army and naval together with raises funds.

第二部分主要探讨在湘军创建期间，幕僚对湘军陆师、水师创建及筹饷的影响。

To protect against such enemies gaining too much power, he has handpicked former aides and staff officers to serve in key positions, and will only hand power over to his most trusted allies.

为了防止这样的敌人获得过多的权力，丹瑞精心挑选助手和参谋人员担任关键职位，仅仅将权力移交给他最信任的盟友。

Warlord's aides and staff politics is a kind of non-institutionalized politics.

军阀幕僚政治属于一种非制度化政治参与。

Meanwhile, the negative influence of the aides and staff not only led to his ultimate military failure, but also made it more tor ˉ tuous for him to progress in politics and transform in thinking.

同时其消极影响成为导致冯玉祥在军事上最终失败的重要原因，使冯玉祥在政治上进步和思想上的转变更加曲折。

As you can see, we're still working.

如你所见，我们仍在工作。

And later that day , we will return to the love of family and friends in Texas.

然后我们将回归得克萨斯州家庭和朋友的爱中.

Let's tell our families and friends how much we love them.

不要把对家人和朋友的爱深藏心中,大胆地告诉他们.

People value such things as freedom, the love of friends etc.

人们珍视类似自由和朋友的爱等等.

For many years this has been a favourite cafe in my circle of friends.

很多年来,这里成为我的朋友圈里最喜欢的咖啡店.

My mother got to know our friends and became a part of our community.

我的母亲开始熟悉我的朋友,并且成为了我朋友圈中的一员.

We are all friends, colleagues circle for help, we have to work together!

我们有缘认识做朋友, 圈内同仁如需帮助, 大家要齐心协力 呀 !

The older we get , the more we keep self-selecting down to a smaller and smaller group.

年纪越大, 来往的朋友圈就越小.

Friends circle? How do I find?

朋友圈? 我怎么没发现?

Their circle of acquaintances and friends did narrow, whichmust have been hard.

他们的熟人和朋友圈缩小了, 这必定是艰难的.

The crowd he hangs out with is very mature and supportive.

他的朋友圈都非常成熟,能给予不少帮助.

Daniels swept his arm over his friend's shoulder.

丹尼尔斯把胳膊搭在了他朋友的肩上。