ever since

Adverb

not-comparable

(duration) Continuously since a specified time or event.

Japanese Meaning

指定された時間または出来事以降、連続して続く状態・期間を表す / それ以来（ずっと）

Ever since I moved to the city, I've been taking the same train to work.

引っ越して以来、ずっと同じ電車で通勤しています。

Sense（1）

(duration) Continuously since a specified time or event.

I started smoking last year, and have coughed ever since.