Definition
This phrase is used to express indifference or a lack of concern, suggesting that something is not important.
那又怎樣？
"I heard you didn't get the promotion." "So what? I don't even care."
「我聽說你沒升職。」「那又怎樣？我根本不在乎。」
"You didn't bring an umbrella." "So what? I like walking in the rain."
「你沒帶傘。」「那又怎樣？我喜歡在雨中散步。」
"Everyone thinks your idea is strange." "So what? I don't care what others think."
「大家都覺得你的想法很奇怪。」「那又怎樣？我不在乎別人的想法。」