affecting many things or people; large

It is obvious that sweeping changes are needed in the legal system. 显然，法制体系需要进行大刀阔斧的改革。

We need to make sweeping cuts to our budget. 我们必须大幅削减预算。

something that you say or write that is too general and that has not been carefully thought about

Sweeping generalizations about this complex and difficult situation are not helpful. 对这种复杂困难的情形作泛泛之谈是没有用的。

A sweeping win or victory is an easy or complete win.

The candidate failed to win the sweeping victory he expected. 这位候选人没能如愿以偿地大获全胜。