no matter who

基本解释

The effect of pushing the button is the same no matter who does it.
不论是什么人去按电钮，其效果都是一样的。
《新英汉大辞典》
His experience in two cultures hashelped him no matter who his patient may be.
不管他的病人是谁，两种文化的经历对他起了帮助作用。
Acknowledge your significant other’s efforts to your joint relationship and life together (no matter who is doing what).
所以，不管是谁为谁做什么事情，你都要表示感谢和尊重。

But no matter who wins, it is likely they will have to reach out to other groups to form a government.
There's one quantity that's going to come out the same, no matter who is looking at the vector.
但是也有一个量是始终不变的,不管是谁在观察这个矢量
耶鲁公开课 - 基础物理课程节选
That belief in Christ is to some a matter of life and death has been a stumbling block for readers who would prefer to think it a matter of no great consequence.
有些读者认为,对基督的信仰是关乎生死的大事,这对于那些对基督教,不以为然的人是一个障碍。
耶鲁公开课 - 1945年后的美国小说课程节选

It was an amazing night for baseball, no matter who you were rooting for.
FORBES: Best Night of Baseball Ever: You Can Bet on It