screw up: 搞砸
When you screw up, I read about it.

你把事搞糟了，我能看出来。

in retrospect: 回顾
In retrospect, it was easy for people to underestimate the quality of the Skype engineering team and the power of Skype 's network effect.

回顾来看，人们很容易低估Skype工程师团队的质量以及Skype的网络效应力量。

intend to: 打算
We also intend to remove any special naming restriction.

我们还希望删除任何特殊的命名限制。
We intend to constantly learn from the previous iteration.

我们倾向于不断地从先前的迭代中了解事情。