(认为某事无关紧要,尤用于反驳他人的指责时)
so what?
used to show that you think sth is not important, especially after sb has criticized you for it
'He's fifteen years younger than you!''So what?'“他比你小十五岁呢!” “那又怎么啦?”
释义来自《牛津高阶英汉双解词典》第 9 版