two weeks; fortnight
Standard time expression for a period of two weeks. Used in everyday conversation and writing.
Summer vacation is two weeks long.
Let's meet again in two weeks.
二週間 means exactly fourteen days, while 半月 is a looser expression for roughly half a month (about fifteen days).
Standard kanji spelling.
Numerical form using half-width digit 2; common in schedules and casual writing.
Compound of 二 (two), 週 (week), and 間 (interval/duration).