We have got to do things differently.

我们要改变做事的方式。

I have got to do STH.

我必须，一定，不得不做某事。

Haste makes waste you have got to do it step by step.

欲速则不达，你得一步一步地干。

What we have got to do is to do our best on behalf of taxpayers.

我们要做的就是代表纳税人尽最大努力。

They have got to do a bit of everything but we would like them to think increased dividends.

他们已经什么都做到了，我们更希望他们能考虑增加股息。