It is also very hard for him to understand what can be and what cannot be done.
让他理解什么东西可以实现什么东西不可以实现是很困难的事。
What is done cannot be undone, you know.
你知道，覆水难收。
These are the profiles that control what can or cannot be done through the MQI.
这些配置文件决定什么是可以通过MQI完成的，什么是不可以通过MQI完成的。
We cannot always be sad that we have not done what is perfect.
我们不能总是因为所作的不完美而难过。
We cannot decide apriori what it is that should be done.
我们无法预先决定应当做些什么。
What others may have said or done or failed to do cannot be changed now.
他人的言行举止或力所不及，目前都已既成事实无法更改。
History is harsh. What is done cannot be undone.
历史真是无法取消的、残酷的。
What is right to be done cannot be done too soon.
该做的事总是越快越好。
What 's done cannot be undone.
做过的事情不能逆转。
What is done cannot be undone!
做了的就不能不做了？
What is done cannot be undone!
做了的就不能不做了？
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