历时

• ピンイン: lì shí
• 漢字の分解: 历 = 厂 + 力 (experience/pass through); 时 = 日 + 寸 (time)

意味

（時間が）～かかる／～にわたる（通時的）

Indicates the duration of time that something takes or covers. Often used for projects, events, or processes that extend over a significant period. In linguistics, refers to diachronic analysis.

例文

1. 这项工程历时三年终于完工。
2. 谈判历时数月才达成协议。
3. 历时研究揭示了语言的演变过程。

使い方ガイド

場面: projects, events, academics

トーン: neutral

正しい言い方

• 这场审判历时半年之久。(This trial lasted as long as half a year.)
• 历时五年的研究终于取得了突破。(The five-year research finally achieved a breakthrough.)

避ける言い方

• 我历时吃饭 — 历时 is for significant durations, not brief daily activities

起源と歴史

历 (pass through) + 时 (time)

文化的背景

世代: All ages

社会的背景: Universal