it had been a long time
Cela faisait longtemps, M. Duan, vous nous manquiez.
It’s been a long time, Mr. Duan. We missed you.
— Adieu ma concubine (1993)
It's been a long time.
Cela faisait longtemps qu'il n'avait pas souri comme ça.
It had been a long time since he had smiled like that.
— Ne Zha (2019)