根据

• 拼音: gēn jù
• 汉字拆解: 根 = 木 (wood/tree) + 艮 (phonetic), the root of a tree; 据 = 扌(hand) + 居 (to dwell), to hold or rely on firmly

含义

To base on; to act according to (V); based on; according to (Prep); basis; grounds; evidence (N). A versatile word used to introduce the source or reason behind an action or claim.

As a preposition, 根据 introduces the source, reason, or basis for an action or claim (e.g., 根据调查结果 — according to the survey results). As a noun, it refers to the factual basis or evidence for a claim (e.g., 有根据 — well-founded; 没有根据 — groundless). Extremely common across formal and everyday registers.

例句

1. 根据天气预报，明天将有大雨，请带好雨具。
2. 你说的这些话有什么根据吗？
3. 我们会根据每位学生的实际情况来调整教学方法。

用法指南

语境: academic, everyday, formal, speech

语气: neutral

正确说法

• 根据合同规定，双方必须在三十天内完成交接。(According to the contract, both parties must complete the handover within thirty days.)
• 你的判断有没有足够的根据？(Do you have sufficient grounds for your judgement?)

错误说法

• 用'根据'引出纯主观意见 (Avoid using 根据 to introduce purely personal opinions — 根据 implies objective grounds; use 我认为 or 依我看 for personal views)

起源与历史

A compound of 根 (root of a tree) + 据 (to rely on/depend on). The image is of basing oneself on a root — a firm, reliable foundation.

文化背景

世代: All ages

社会背景: Universal