| 理 | lǐ | texture; grain (of wood); inner essence; intrinsic order; reason; logic; truth; science; natural science (esp. physics); to manage; to pay attention to; to run (affairs); to handle; to put in order; to tidy up |
| 管理 | guǎn lǐ | to supervise; to manage; to administer; management; administration; CL:个 |
| 理论 | lǐ lùn | theory; CL:个 |
| 处理 | chǔ lǐ | to handle; to treat; to deal with; to process; CL:个 |
| 总理 | zǒng lǐ | premier; prime minister; CL:个,位,名 |
| 合理 | hé lǐ | rational; reasonable; fair |
| 原理 | yuán lǐ | principle; theory |
| 定理 | dìng lǐ | established theory; theorem (math.) |
| 理解 | lǐ jiě | to comprehend; to understand; comprehension; understanding |
| 理想 | lǐ xiǎng | a dream; an ideal; perfection; ideal; perfect; desirable; CL:个 |
| 物理 | wù lǐ | physics; physical |
| 心理 | xīn lǐ | mental; psychological |
| 修理 | xiū lǐ | to repair; to perform maintenance; to overhaul; to fix; to prune; to trim |
| 真理 | zhēn lǐ | truth; CL:个 |
| 道理 | dào lǐ | reason; argument; sense; principle; basis; justification; CL:个 |
| 理由 | lǐ yóu | reason; grounds; justification; CL:个 |
| 经理 | jīng lǐ | manager; director; CL:个,位,名 |
| 整理 | zhěng lǐ | to arrange; to tidy up; to sort out; to straighten out; to list systematically; to collate (data, files); to pack (luggage) |
| 心理学 | xīn lǐ xué | psychology |
| 生理 | shēng lǐ | physiology |
| 办理 | bàn lǐ | to handle; to transact; to conduct |
| 审理 | shěn lǐ | to hear (a case) |
| 理性 | lǐ xìng | reason; rationality; rational |
| 科学管理 | kē xué guǎn lǐ | scientific management |
| 理事 | lǐ shì | member of council |
| 企业管理 | qǐ yè guǎn lǐ | business management (as a study) |
| 地理 | dì lǐ | geography |
| 公理 | gōng lǐ | axiom (in logic); axiomatic |
| 热处理 | rè chǔ lǐ | hot treatment (e.g. of metal) |
| 无理 | wú lǐ | irrational; unreasonable |
| 理事会 | lǐ shì huì | council |
| 清理 | qīng lǐ | clear; to put in order; to check up |
| 代理人 | dài lǐ rén | agent |
| 不理 | bù lǐ | refuse to acknowledge; pay no attention to; take no notice of; ignore |
| 理学 | lǐ xué | School of Principle; Neo-Confucian Rationalistic School (from Song to mid-Qing times, c. 1000-1750, typified by the teachings of Cheng Hao 程颢, Cheng Yi 程颐 and Zhu Xi 朱熹) |
| 治理 | zhì lǐ | to govern; to administer; to manage; to control |
| 物理性质 | wù lǐ xìng zhì | physical property |
| 代理 | dài lǐ | to act on behalf of sb in a responsible position; to act as an agent or proxy; surrogate |
| 推理 | tuī lǐ | reasoning; speculative; inference |
| 伦理学 | lún lǐ xué | ethics |
| 伦理 | lún lǐ | ethics |
| 安理会 | Ān Lǐ huì | (United Nations) Security Council |
| 助理 | zhù lǐ | assistant |
| 理智 | lǐ zhì | reason; intellect; rationality |
| 理化 | lǐ huà | physical and chemical |
| 逆定理 | nì dìng lǐ | converse theorem (math.) |
| 勾股定理 | gōu gǔ dìng lǐ | Pythagorean theorem |
| 受理 | shòu lǐ | to accept a (legal) case; to deal with; to handle |
| 理性认识 | lǐ xìng rèn shi | cognition; rational knowledge |
| 生理学 | shēng lǐ xué | physiology |
