前期

• Pinyin: qián qī
• Hanzi breakdown: 前 = before/front; 期 = 其 + 月 (a set period of time)

Meaning

Early stage; initial phase; preliminary period. Refers to the first part of a project, process, or timeframe.

Widely used in project management, medicine, history, and planning. Often contrasted with 中期 (middle stage) and 后期 (later stage). Can refer to pre-production, early development, or the first trimester of pregnancy.

Examples

1. 项目前期的调研工作耗时六个月，为后续开发奠定了坚实基础。 The project’s early-stage research took six months and laid a solid foundation for later development.
2. 她在孕期前期反应强烈，每天早上都感到恶心不适。 In the early part of her pregnancy, her symptoms were intense—every morning she felt nauseated and unwell.
3. 改革开放前期，沿海地区率先建立了一批经济特区，吸引了大量外资。 In the early period of reform and opening up, coastal areas took the lead in establishing special economic zones, attracting large amounts of foreign investment.

Usage Guide

Context: business, planning, academic

Tone: neutral

Do Say

• 前期投入虽然较大，但项目一旦落地，预计三年内可全面收回成本。(The upfront investment is substantial, but once the project is launched, costs are expected to be fully recovered within three years.)
• 本课题前期已完成文献综述和数据收集工作，目前正进入实验验证阶段。(The preliminary literature review and data collection for this research topic have been completed, and the project is now entering the experimental verification phase.)

Don't Say

• 这项工作的前期是很重要 — treat 前期 as an attributive modifier rather than a predicate; say 前期工作至关重要 for natural fluency

Origin & History

前 (before/front) + 期 (period/phase) — the period that comes before the main stage

Cultural Context

Generation: All ages

Social background: Universal