That month was the period of time when we studied KEYS.
|に 期待 する or しよう
Expectations. For example,
今回は負けたけど、次に期待しよう！ （こんかいはまけたけど、つぎにきたいしよう！） We lost this time, but I expect we'll win next time!
period of time, usually several months. Or years. Precise, socially constructed time, not seasons or shit. 期間 is more like summer vacation. You are forbidden to enter Japan for a period of five years.
period of time - refers to a natural or social phenomenon : rainy season, the time that you can see fall leaves, the humid time of year.
|period of time
Dupe someone with a LACK of brains.
The EARTH is fundamental to life.
A MONTH is a period of time.
The flag blows in the DIRECTION of the wind.