| 上 |
shàng kōng | the skies above a certain place; (aviation) airspace / (Tw) topless |
| 上 |
shǎng | used in 上声 |
| 上 |
shàng | (bound form) up; upper; above; previous / first (of multiple parts) / to climb; to get onto; to go up / to attend (class or university) / (directional complement) up / (noun suffix) on; above |
| 空 |
kōng | empty / air / sky / in vain |
| 空 |
kòng | to empty / vacant / unoccupied / space / leisure / free time |