| 基础HSK 4 | jī chǔ | base; foundation; basis; underlying; Classifiers: 个 | |
| 经济基础HSK 4 | jīng jì jī chǔ | socio-economic base; economic foundation | |
| 基础课HSK 4 | jī chǔ kè | basic course; core curriculum | |
| 基础教育HSK 4 | jī chǔ jiào yù | elementary education | |
| 基础设施HSK 5 | jī chǔ shè shī | infrastructure |
| 1 | Railways are important national infrastructure. | |
| 2 | Mutual respect is the basis of interpersonal relationships. | |
| 3 | A healthy mind is the basis of a healthy body. | |
| 4 | International relations require a deep foundation of mutual trust. | |
| 5 | Teamwork is the foundation of our success. |