| 空 |
kòng xì | crack / gap between two objects / gap in time between two events |
| 空 |
kōng | empty / air / sky / in vain |
| 空 |
kòng | to empty / vacant / unoccupied / space / leisure / free time |
| 隙 |
xì | crack / crevice / gap or interval / loophole / discord / rift |