previous

前年

the year before the one being discussed

前の日

the day before the one being discussed

話題になっている日の前の日

前の週

the week before the one being discussed

議論されている特定の時点より前の週を指します。

the month before the one being discussed

knowledge or skill from having done something in the past

前の晩

the night before the day being discussed

話題になっている日の前の晩

the person who owned something before the current owner

the company or person one worked for before the current job

前のページ

the page that comes before the current one in a book or document

本や文書で現在のページの前にあるページ

the person who was president before the current one

the generation of people that came before the current one

先行研究

research or academic work done on a topic before

あるトピックについて以前に行われた研究や学術的作業

the 10-year period before the one being discussed

前の政権

the government or system of control that was in power before the current one

現在の政権の前に権力を握っていた政府や支配体制

the 100-year period before the one being discussed

a time when a person was found guilty of a crime in the past