| 自己 | zì jǐ | oneself; one's own |
| 自 | zì | from; self; oneself; since |
| 自然 | zì rán | nature; natural; naturally |
| 自由 | zì yóu | freedom; free; liberty; CL:个 |
| 自动 | zì dòng | automatic; voluntarily |
| 自觉 | zì jué | conscious; aware; on one's own initiative; conscientious |
| 亲自 | qīn zì | personally |
| 来自 | lái zì | to come from (a place); From: (in email header) |
| 自治区 | zì zhì qū | autonomous region, namely: Inner Mongolia 内蒙古自治区, Guangxi 广西壮族自治区, Tibet 西藏自治区, Ningxia 宁夏回族自治区, Xinjiang 新疆维吾尔自治区 |
| 自身 | zì shēn | itself; oneself; one's own |
| 各自 | gè zi | each; respective; apiece |
| 各自 | gè zì | each; respective; apiece |
| 自从 | zì cóng | since (a time); ever since |
| 李自成 | Lǐ Zì chéng | Li ZiCheng (1605-1645), leader of peasant rebellion at the end of the Ming Dynasty |
| 自行 | zì xíng | voluntary; autonomous; by oneself; self- |
| 自卫 | zì wèi | self-defense |
| 自治 | zì zhì | autonomy |
| 自动化 | zì dòng huà | automation |
| 自然科学 | zì rán kē xué | natural sciences |
| 自我 | zì wǒ | self-; ego (psychology) |
| 自力更生 | zì lì gēng shēng | regeneration through one's own effort (idiom); self-reliance |
| 自发 | zì fā | spontaneous |
| 自行车 | zì xíng chē | bicycle; bike; CL:辆 |
| 自主 | zì zhǔ | independent; to act for oneself; autonomous |
| 自称 | zì chēng | to call oneself; to claim to be; to profess; to claim a title |
| 自变量 | zì biàn liàng | independent variable |
| 自古 | zì gǔ | (since) ancient times; (from) time immemorial |
| 自然灾害 | zì rán zāi hài | natural disaster |
| 自制 | zì zhì | self-made; improvised; homemade; handmade; to maintain self-control; self-control |
| 大自然 | dà zì rán | nature (the natural world) |
| 自然数 | zì rán shù | natural number |
| 独立自主 | dú lì zì zhǔ | independent and autonomous (idiom); self-determination; to act independently; to maintain control over one's own affairs |
| 自重 | zì zhòng | to conduct oneself with dignity; to be dignified; dead weight; deadweight |
| 自杀 | zì shā | to kill oneself; to commit suicide |
| 独自 | dú zì | alone |
| 自来水 | zì lái shuǐ | running water; tap water |
| 自尊心 | zì zūn xīn | self-respect; self-esteem; ego |
| 自家 | zì jiā | self; (reflexive pronoun); own |
| 自如 | zì rú | freedom of action; unobstructed; unconstrained; smoothly; with ease; freely |
| 自立 | zì lì | independent; self-reliant; self-sustaining; to stand on one's own feet; to support oneself |
| 自信 | zì xìn | to have confidence in oneself; self-confidence |
| 自豪 | zì háo | (feel a sense of) pride; to be proud of sth (in a good way) |
| 自转 | zì zhuàn | rotation |
| 擅自 | shàn zì | without permission; of one's own initiative |
| 自我批评 | zì wǒ pī píng | self-criticism |
| 自然经济 | zì rán jīng jì | natural economy (exchange of goods by bartering not involving money) |
| 自学 | zì xué | self-study; to study on one's own |
| 自言自语 | zì yán zì yǔ | talk to oneself; think aloud; soliloquize |
| 自燃 | zì rán | spontaneous combustion |
| 自在 | zì zai | free; unrestrained; comfortable; at ease |
