Sentence Composition
| 1 | 他 | tā |
| 2 | 寫下 | xiěxià | to write down |
| 3 | 這個 | zhège |
|
| 4 | 電話號碼 | diànhuàhàomǎ | telephone number; phone number |
| =5 | 了 | le |
|
| =5 | 了 | liǎo |
| =5 | 了 | liǎo |
|
| =5 | 了 | liào | unofficial variant of 瞭 liào |