知しるか

expression

I don't care; how should I know?; who cares?

A blunt, dismissive phrase used to show indifference or annoyance. Often said with a falling intonation. Can sound rude or confrontational; not used in polite contexts.

• 「明日あしたの天てん気きは？」「知しるか！」

  "What's the weather tomorrow?" "How should I know!"

• そんなこと、知しるかよ。

  Like I care about that.