何時間, なんじかん
Expression
how many hours
ビルは何時間も泣き続けた。
も
Particle
1. too, also, in addition, as well, (not) either (in a negative sentence)
as AもBも
2. both A and B, A as well as B, neither A nor B (in a negative sentence)
used for emphasis or to express absence of doubt regarding a quantity, etc.
3. even, as much as, as many as, as far as, as long as, no less than, no fewer than
often as 〜ても, 〜でも, 〜とも, etc.
4. even if, even though, although, in spite of
Adverb, See もう・3, Colloquialism
5. further, more, again, another, the other