ever since 是固定词组
adv.从那时到现在/从那以后
例句：
1.Ever since puberty,everybody stares at me.
自从青春期后,大家都注视著我.
2.Ever since adam fool have is in the majority.
自亚当以来,一直就是蠢才占多数.
3.I have been in low spirits ever since he stayed here.
自从他呆在这里以来,我的情绪一直很低落.
ever ['evə]
adv.永远；曾经；究竟