| 空 |
kòng xīnr | erhua variant of 空心 |
| 空 |
kōng | empty / air / sky / in vain |
| 空 |
kòng | to empty / vacant / unoccupied / space / leisure / free time |
| 空 |
kōng xīn | hollow / (of vegetables) to become hollow or spongy inside / (of a basketball) to swish through (not touching the hoop) |
| 空 |
kòng xīn | on an empty stomach |
| 心 |
xīn | heart / mind / intention / center / core / CL:颗,个 |
| 儿 |
ér | child / son |
| 儿 |
r | non-syllabic diminutive suffix / retroflex final |