Sentence Composition
| 1 | 天气 | tiānqì | weather |
| 2 | 一天 | yītiān |
|
| 3 | 天冷 | tiānlěng | it's cold (weather) |
| =4 | 下来 | xiàlai |
|
| =4 | 下来 | xiàlái |
|
| =5 | 了 | le |
|
| =5 | 了 | liǎo |
| =5 | 了 | liǎo |
|
| =5 | 了 | liào | unofficial variant of 瞭 liào |