V 〜ている / noun-の / adj + 間 or 間に

Nghĩa: during / while (a period within which something happens)
Cấu trúc (Formation): Noun + の + 間(に); V 〜ている + 間(に); V plain + 間(に); i-adj + 間(に); na-adj + な + 間(に).
Độ trang trọng: neutral