Definition of ふぐたいてん
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(n) cannot allow (oneself) to live (with someone) under the canopy of heaven; cannot allow (the sworn enemy) to live in this world; irreconcilable (enemy)
不倶戴天の敵と言われるほど、どうしてそんなに嫌われたかなあ。
He said I was his archenemy. How did we arrive at a situation like this?
