that said

used to say that something is true in spite of what you have just said

通常用来表示不管你刚才说了什么，某事是事实

A: She's a great student and she learns well in class.

她是个好学生，她在班上学习很好。

B: That said, she can be quite naughty sometimes.

话虽这么说，她有时还是很淘气的。

A: Yes, I know.

是的,我知道。