为期

• 拼音: wéi qī
• 汉字拆解: 为 = simplified from 為, to be; 期 = 其 + 月, period/time

含义

For a period of; lasting; with a duration of.

A formal expression used to specify the duration of an event, project, or period. Always followed by a time expression (为期三天 lasting three days). Common in news reports, official announcements, and formal documents. Cannot be used alone.

例句

1. 这次培训为期两周，从下周一开始。
2. 为期一年的交换项目让他收获颇丰。
3. 展览为期三个月，免费向公众开放。

用法指南

语境: official, news, announcements

语气: informative

正确说法

• 为期一周的会议。(A week-long conference.)
• 活动为期三天。(The event lasts three days.)

错误说法

• 为期很长 — 为期 must be followed by a specific duration, not vague descriptions

起源与历史

Compound of 为 (to be/constitute) + 期 (period), meaning to constitute a period of time.

文化背景

世代: All ages

社会背景: Universal