1.Top dog – the most important person in an organization

公司里最重要的人物

例句：If you want a decision on that, you're going to have to get it approved by the top dog.

如果你想要决定这件事，你需要让它得到老板的同意。

2.More than one way to skin a cat - more than one way to do something.

（做某事）不只一种方法

例句：No problem. If we cannot get our proposal through this way, we'll try something else. There's more than one way to skin a cat.

没问题。如果这样我们的提议没法通过的话。我们试试别的方法。还有很多方法的。