| 中心 | zhōng xīn | center; heart; core; CL:个 |
| 心里 | xīn li | chest; heart; mind |
| 决心 | jué xīn | determination; resolution; determined; firm and resolute; to make up one's mind; CL:个 |
| 心理 | xīn lǐ | mental; psychological |
| 关心 | guān xīn | to care for sth; caring; concerned |
| 圆心 | yuán xīn | center of circle |
| 重心 | zhòng xīn | center of gravity; central core; main part |
| 心理学 | xīn lǐ xué | psychology |
| 心情 | xīn qíng | mood; frame of mind; CL:个 |
| 心中 | xīn zhōng | central point; in one's thoughts; in one's heart |
| 信心 | xìn xīn | confidence; faith (in sb or sth); CL:个 |
| 人心 | rén xīn | popular feeling; the will of the people |
| 放心 | fàng xīn | to feel relieved; to feel reassured; to be at ease |
| 核心 | hé xīn | core; nucleus |
| 唯心主义 | wéi xīn zhǔ yì | philosophy of idealism, the doctrine that external reality is a product of consciousness |
