Chinese translation of 'ever since'
从(從) ... 以来(來)(cóng ... yǐlái)
⇒ We have been friends ever since.
我们从那时以来一直是朋友。(Wǒmen cóng nàshí yǐlái yīzhí shì péngyou.)
⇒ Jack has loved trains ever since he was a boy.
杰克自小就喜爱火车。(Jiékè zìxiǎo jiù xǐ'ài huǒchē.)
Translation of ever since from the Collins English to Chinese Dictionary