passing
passing adjective [ always before noun ] uk/ˈpɑːsɪŋ/ uslasting only for a short time and not important
проходящий, мимолетный
a passing interest
PASSING noun
uk/ˈpɑːsɪŋ/ us the passing of time/yearsthe way that time passes
течение времени
With the passing of time their love had changed. in passing
If you say something in passing , you talk about one thing briefly while talking mainly about something else.
мимоходом, между прочим
She mentioned in passing that she'd seen Stuart.