to do something again

These new measurements mean that I'll have to redo the calculations. 这些新的尺寸意味着我将不得不重新进行计算。

If you redo a room or a building, you paint it, put new furniture in it, etc. to make it more attractive or useful.

We spent €5,000 redoing the kitchen. 我们花了5000欧元重新装修了厨房。