| 现在 | xian4 zai4 | modern |
| 知道 | zhi1 dao4 | to know |
| 今天 | jin1 tian1 | today |
| 叫做 | jiao4 zuo4 | to be known as |
| 科学 | ke1 xue2 | science |
| 认识 | ren4 shi5 | to know |
| 不知 | bu4 zhi1 | unaware |
| 报告 | bao4 gao4 | talk |
| 知识 | zhi1 shi5 | intellectual |
| 有时 | you3 shi2 | sometimes |
| 反映 | fan3 ying4 | to render |
| 知 | zhi1 | to know |
| 现 | xian4 | now |