fairly long time; a while
Refers to a moderately long but indefinite period, often around two hours or so. Can be used as a noun or adverbially.
I waited for a fairly long time, but he didn't come.
Take a fairly long rest.
four-hour period
Archaic temporal unit equal to four hours, used in the old Japanese time system. Not used in modern Japanese.
In the old time system, 二時 corresponds to four hours today.
Mixed kanji-kana spelling; less common but still encountered.
Compound of 二 (ふた, 'two') and 時 (とき, 'time' or 'hour'). The reading ふたとき is a native Japanese reading (kun'yomi).