yesterday

IPA(Pronunciation)

figuratively

The day immediately before today; one day ago. / (figuratively) The past, often in terms of being outdated.

Japanese Meaning

昨日 ― 今日の直前の日、一昨日の前日 / （比喩的に）過去、時代遅れのものを指す場合がある

I often think about yesterday as a lesson learned.

私はよく昨日のことを教訓として考える。

Sense（1）

The day immediately before today; one day ago.

Today is the child of yesterday and the parent of tomorrow.

Sense（2）

(figuratively) The past, often in terms of being outdated.

yesterday's technology

yesterdays

（ plural ）