Sentence Composition
| 1 | 天空 | tiānkōng | sky |
| 2 | 变得 | biànde | to become |
| 3 | 越来越 | yuèláiyuè | more and more |
| =4 | 暗 | àn | variant of 暗 àn |
| =4 | 暗 | àn |
|
| =4 | 暗 | àn |
| =5 | 了 | le |
|
| =5 | 了 | liǎo |
| =5 | 了 | liǎo |
|
| =5 | 了 | liào | unofficial variant of 瞭 liào |