| 空 |
kōng nàn | air crash; plane crash |
| 空 |
kōng | empty / air / sky / in vain |
| 空 |
kòng | to empty / vacant / unoccupied / space / leisure / free time |
| 难 |
nán | difficult (to...) / problem / difficulty / difficult / not good |
| 难 |
nàn | disaster / distress / to scold |