原理

げんり

principle, theory, fundamental truth

JLPT N2

Character Breakdown

Understanding 原理 (yuánlǐ)

The word 原理 refers to the fundamental principle or underlying law behind a phenomenon or system. It is often used in scientific, technical, or philosophical contexts to describe the basic reasoning or mechanism that explains how something works.

Usage and Nuance

When you use 原理, you imply a deeper, often theoretical understanding rather than just surface-level facts. For example, discussing the 原理 of a machine means explaining how it functions at a fundamental level, not just what it does.

Common Collocations

  • 工作原理 (gōngzuò yuánlǐ): working principle; used when explaining how a device or system operates.
  • 科学原理 (kēxué yuánlǐ): scientific principles; refers to the laws or theories in science.
  • 基本原理 (jīběn yuánlǐ): basic principles; foundational rules or ideas.

Tips

Avoid confusing 原理 with 原因 (yuányīn), which means 'cause' or 'reason' in a more general sense. 原理 focuses on the inherent logic or law behind something, while 原因 is about the cause or factor leading to an event.

Use 原理 when you want to emphasize the logical or scientific basis of a concept, especially in formal or academic discussions.

Example Sentences

The principles of physics help us understand natural phenomena.

The working principle of this machine is complex and requires professional

When discussing problems, we should first clarify the underlying principles.