| 内容 | nèi róng | content; substance; details; Classifiers: 个 | |
| 国内 | guó nèi | domestic; internal (to a country); civil | |
| 内部 | nèi bù | interior; inside (part, section); internal | |
| 在内 | zài nèi | (included) in it; among them | |
| 内心 | nèi xīn | heart; innermost being; (math.) incenter |
| 1 | The teaching building is located on campus. | |
| 2 | Communication within and outside the company is not smooth. | |
| 3 | The warehouse is equipped with a crane. | |
| 4 | This underwear doesn't fit me. | |
| 5 | I need some new underwear. |
