Sentence Composition
| 1 | 火車 | huǒchē | train |
| 2 | 加速 | jiāsù | to accelerate; to speed up; to expedite |
| =3 | 了 | le |
|
| =3 | 了 | liǎo |
| =3 | 了 | liǎo |
|
| =3 | 了 | liào | unofficial variant of 瞭 liào |
| 1 | 火車 | huǒchē | train |
| 2 | 加速 | jiāsù | to accelerate; to speed up; to expedite |
| =3 | 了 | le |
|
| =3 | 了 | liǎo |
| =3 | 了 | liǎo |
|
| =3 | 了 | liào | unofficial variant of 瞭 liào |