交通事故で亡くなった

died in a traffic accident

→ 交通事故
phrase Rare #29,155
died in a traffic accident A respectful or euphemistic way to say someone died in a traffic accident. 亡くなった is the past form of 亡くなる, meaning “to pass away.”
JA: 彼のお父さんは交通事故で亡くなった。
EN: His father died in a traffic accident.

私の兄は交通事故で亡くなった

My older brother died in a traffic accident.

その男性は交通事故で亡くなった

The man died in a traffic accident.

彼女のお父さんは交通事故で亡くなったそうだ

I heard that her father died in a traffic accident.

トムの両親は交通事故で亡くなったんだ

Tom's parents died in a traffic accident.