during one's lifetime
Например, то что я умер еще при жизни.
For example, the fact that I died while still alive.
— Земляничная поляна (1957)
Винсент ван Гог при жизни продал только одну картину.
Vincent van Gogh sold only one painting during his lifetime.
При жизни его беспокоила только жизнь.
During his life, he was only concerned with life.
— Всё о моей матери (1999)
Кажется, они и при жизни были зомби.
It seems they were zombies even while they were alive.
— Мёртвые не умирают (2019)