父(ちち) chichiは waこの kono事(じ)業(ぎょう) jigyouを o４０ 40年(ねん) nen前(まえ) maeに ni始(はじ)め()た() hajimeta。 My father started this business 40 years ago. Literal Father [topic-は] this business [object-を] 40-years-ago [at-に] started. 事業 ('business/enterprise') is a formal kango compound. ~年前に is the standard way to express 'X years ago.' workfamilybusiness
父(ちち) chichiは waこの kono事(じ)業(ぎょう) jigyouを o４０ 40年(ねん) nen前(まえ) maeに ni始(はじ)め()た() hajimeta。 My father started this business 40 years ago. Literal Father [topic-は] this business [object-を] 40-years-ago [at-に] started. 事業 ('business/enterprise') is a formal kango compound. ~年前に is the standard way to express 'X years ago.' workfamilybusiness