If you say that someone did something regardless, you mean that they did it even though there were problems or factors that could have stopped them, or perhaps should have stopped them.
Despite her recent surgery she has been carrying on regardless.
尽管她最近动了手术,她却一直在不顾一切地继续工作。
regardless of
If something happens regardless of something else, it is not affected or influenced at all by that other thing.
It takes in anybody regardless of religion, colour, or creed.
任何人,不管其宗教、肤色或信仰如何,都可以加入。
Regardless of whether he is right or wrong, we have to abide by his decisions.
不管他是对还是错,我们得遵从他的决定。