ever since:自从……以来(从过去某一时间点一直持续到现在);可作连词/介词短语,引出时间起点(如 ever since I met you / ever since 2020)。
/ˌevər ˈsɪns/
I’ve felt better ever since I started exercising.
自从我开始锻炼以来,我感觉好多了。
Ever since the accident, he’s been more careful when he drives, even on familiar roads.
自从那次事故以来,他开车更谨慎了,即使在熟悉的路上也是如此。
由 ever(曾经、一直)+ since(自从)组成;合起来强调“从过去某时起一直到现在”的持续性,比单独用 since 语气更强、更强调“持续到如今”。