退職(たいしょく)

父(ちち)は定年(ていねん)で退職(たいしょく)をしました。

My father retired from his job at the mandatory retirement age. {retirement (from office), resignation}

退職(たいしょく)をする時(とき)に退職(たいしょく)金(きん)がもらえるそうだ。

It seems that you will receive a retirement payment when you retire or resign from office. {retirement (from office), resignation}

社員(しゃいん)たちは部長(ぶちょう)の突然(とつぜん)の退職(たいしょく)にビックリしました。

The employees were surprised by the department manager's sudden resignation. {retirement (from office), resignation}

同僚(どうりょう)：「君(きみ)は退職(たいしょく)後(ご)にどうやって暮(く)らしていくつもりなの？」

Colleague: "How do you plan to live after your retirement?" {retirement (from office), resignation}

勤務(きんむ)先(さき)が汚職(おしょく)まみれだと気(き)がつくなり、私(わたし)は直(す)ぐに退職(たいしょく)を申(もう)し出(で)ました。

As soon as I realized that my place of work was riddled with corruption, I immediately offered my resignation. {retirement (from office), resignation}