いつの間に
Meanings
1
when; at what point
Used in questions expressing surprise or curiosity about the timing of an event, often implying the speaker didn't notice when it happened.
When did it start raining, I wonder?
When did he come back?
when; at what point
Used in questions expressing surprise or curiosity about the timing of an event, often implying the speaker didn't notice when it happened.
When did it start raining, I wonder?
When did he come back?