Lack of interest with 知ったことか
Grammar: Unsorted » 知ったことか
知ったことか dismisses a matter as none of the speaker’s concern: “what do I care?” or “that’s not my problem”.
Usage Notes
知ったことか is dismissive and rough. It rejects responsibility similar to “what do I care?” or “that’s none of my concern”.
Examples
Don't care if it troubles you with 知ったことか
Grammar Explanation: Lack of interest with 知ったことか
Oyaji presented Colors with a bomb to defuse via a riddle, which led to problems for Officer Saitou. After Colors successfully defuses the bomb, Saitou tells Oyaji to stop playing bothersome games.
- おやじ:
- 「子供のためだ。お前が迷惑被ろうと知ったことか」
- “It's for the kids. I don't care if it will cause you trouble.”
Nothing to do with Ayumu's situation with 知ったことか
Grammar Explanation: Lack of interest with 知ったことか
Sakurako tells Takeru not to go to the shogi club as he’ll get in the way of Ayumu being with Urushi. However, as a new member of shogi club, and as a man, Takeru feels it’s his duty to show up.
- タケル:
- 「歩の事情など知ったことか」
- “This has nothing to do with Ayumu's situation.”