| 简单 | jian3 dan1 | simple |
| 复杂 | fu4 za2 | complex |
| 简 | jian3 | letter |
| 曲折 | qu1 zhe2 | winding |
| 并发 | bing4 fa1 | to occur simultaneously |
| 疑难 | yi2 nan2 | knotty |
| 繁 | fan2 | many |
| 错综复杂 | cuo4 zong1 xia4 za2 cuo4 zong1 fu4 za2 | intricate |
| 错综 | cuo4 zong1 | tangled |
| 繁复 | fan2 fu4 | complicated |
| 不简单 | bu4 jian3 dan1 | not simple |
| 艰深 | jian1 shen1 | abstruse |
| 繁琐 | fan2 suo3 | tedious |