The phrase "during his upbringing" is correct and commonly used in written English.
It refers to the period of time in which a person was raised or brought up. Example: During his upbringing, John was taught the importance of hard work and determination by his parents.
There's a thoughtful, moral capacity to his work that was formed during his upbringing and studies in Germany.
In Provence, he had found a sense of place that had eluded him during his upbringing in New England.
"Twenty One Prayers for Weak or Fabulous Things", the opening poem, recalls an earlier visionary, Christopher Smart, glimpsed during his upbringing in County Durham, and later when confined to a madhouse: "kneeling in a torrent of bees at Staindrop / to pray, or cutting the Song to David into the bare page / of a wall with a claspknife & a splinter of glass".
Shankly wrote in his autobiography that times were hard during his upbringing and everyone was "hungry, especially in wintertime".
During his frequent arguments with Warner, Cagney often resorted to screaming the Yiddish obscenities he learned during his upbringing in the Hell's Kitchen district of New York City.
David remains profoundly skeptical but sees the journey as an opportunity to understand his old man, distant and often drunk during his upbringing.
Additions include meetings with a future Superman during his youth, his upbringing by his uncle Philip Wayne (introduced in Batman #208, January/February 1969) after his parents' death, and appearances of his father and himself as prototypical versions of Batman and Robin, respectively.
A fierce opponent of Islam, Amir must confront his prejudices, his fears and the deep-seated remnants of his upbringing during a dinner party that begins uneasily and ends disastrously.
His upbringing was modest.
His upbringing was grounding.
