上限

• ピンイン: shàng xiàn
• 漢字の分解: 上 = 一 + 卜 (upper); 限 = 阝+ 艮 (limit, restrict)

意味

上限（最大の上限値・上限枠）

Used in regulatory, technical, financial, and everyday contexts. Often appears alongside 下限 (lower limit). Common in policy documents, product specs, and data discussions.

例文

1. 该账户单日转账金额设有上限。
2. 政府对污染物排放量规定了严格的上限。
3. 比赛参与人数的上限为三十人。

使い方ガイド

場面: finance, regulation, technical

トーン: neutral

正しい言い方

• 每月消费上限设置为五千元。(The monthly spending cap is set at 5,000 yuan.)
• 系统存储容量已达到上限，请清理部分文件。(The system storage has reached its upper limit; please delete some files.)

避ける言い方

• 用最高限度代替时一定不要直接混用 — 上限 is the standard, precise term; avoid vague alternatives in technical writing

起源と歴史

上 (upper) + 限 (limit) — the upper boundary or limit

文化的背景

世代: All ages

社会的背景: Universal