谁知道

Whoever Valentine was, we know he was an actual person because archaeologists have recently unearthed a Roman catacomb and an ancient church dedicated to a Saint Valentine.

谁是情人节，我们知道他是一个实际的人，因为考古学家最近发现了一个古罗马地下墓穴和一个古老的教堂专门为情人。

Do you know who had lost a cate?

你知道有谁丢了一只猫吗？

I must have the name of your caterer, so yummy.

我一定要知道谁给你承办食物的太美味了

I am not a political person and I've no idea who caused it.

我不是一个政治人，我不知道是谁造成的。

I also know Michele as a dedicated and powerful ceremonialist, who is able to transform a group working with the magical energies of Earth and Sky.

我也知道米歇尔作为一个专门的和强大的拘泥，谁能够把一组与神奇的力量地球与天空。

Tell me, Pilla, you understand why we have a chain of command, don't you?

你知道谁有指挥权吧？

There should be a clear chain of command and team members should know who has the authority to make key design decisions.

在一个清晰的指挥系统中，团队成员应该知道谁有权做出关键的设计决定。

I'm looking for a clear chain of command so that messages and directions don't get lost.

我希望清楚知道我的上司是谁，以免错失讯息的传达和指示的接收。

I don't know who's sitting in this chair in front of me.

我不知道现在坐在我面前的这个人是谁

Do you know who is the chairman of this company is?

你知道这家公司的董事长是谁吗？

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。