mid fiftiesとは 意味・読み方・使い方

When he was in his mid-fifties, he wandered various places in the Kanto region.発音を聞く 例文帳に追加

50歳半ば頃、関東地方各地を放浪。 - Wikipedia日英京都関連文書対訳コーパス

(Workers were footmen or apprentices in their teens and twenties, mid-career or master carpenters in their thirties and forties, and tutelages in their fifties.)発音を聞く 例文帳に追加

（10～20代で見習い・下働き、30～40代で中堅・棟梁、50代以上は後見） - Wikipedia日英京都関連文書対訳コーパス