いつか
Since when (Don't know)
JLPT
N4
Struktur
いつか refers to an unspecified time
Maknanya
Carries the meaning of "unaware," "without realizing."
漫画
を
読
んでいる
間
にいつか
眠
り
込
んでしまったようだ
。
I think I fell asleep while reading a manga.
公園
はいつか
人影
もまばらになり
、
閉園
の
アナウンス
が
流
れていた
。
At some point, the park became deserted and an announcement was made that it was closing.
