During her visit she had two frightening experiences.
彼女は訪問中に2度怖い体験をした
during my years as a student [at (the) university]
私の在学中に
during [in] one's early teens
ローティーンのとき
during one's lifetime
一生で
during one's mayoralty
市長任期中
during one's residence in London
ロンドン在住中に
during one's tenure of office
在職中に
during [on, in] one's travels
旅行中に
during the day
日中
during the de Gaulle era
ドゴール政権の時代に