期(き)period, time, age, term (e.g. in office), period, session (e.g. of parliament), stage (e.g. disease)

バレンタインは、告白(こくはく)の期(き)です。

Valentine's Day is the season of confession. {period, time, age, term (e.g. in office), period, session (e.g. of parliament), stage (e.g. disease)}

お正月(しょうがつ)は家族(かぞく)みんなで過(す)ごす期(き)である。

New Year's is a time to spend with the entire family. {period, time, age, term (e.g. in office), period, session (e.g. of parliament), stage (e.g. disease)}

動物(どうぶつ)番組(ばんぐみ)のナレーター：「冬(ふゆ)です。冬眠(とうみん)の期(き)が訪(おとず)れました。」

Narrator of the animal program: 'It's winter. The hibernation season has arrived.' {period, time, age, term (e.g. in office), period, session (e.g. of parliament), stage (e.g. disease)}

蒸(む)し暑(あつ)い期(き)にスキーグッズやスノーボードグッズを売(う)っても繁盛(はんじょう)するわけない。

There's no way that selling ski and snowboard gear would thrive in the muggy season. {period, time, age, term (e.g. in office), period, session (e.g. of parliament), stage (e.g. disease)}

クリスマスの期(き)にクリスマスツリーが無(な)いと、クリスマスを感(かん)じようがない。

If there is no Christmas tree during Christmas season, it's impossible to feel like it's Christmas. {period, time, age, term (e.g. in office), period, session (e.g. of parliament), stage (e.g. disease)}