| 换 | 
huàn chéng | to exchange (sth) for (sth else) / to replace with / to convert into | 
| 换 | 
huàn | to exchange / to change (clothes etc) / to substitute / to switch / to convert (currency) | 
|  成 | 
Chéng | surname Cheng / short name for Chengdu 成都 | 
|  成 | 
chéng | to succeed / to finish / to complete / to accomplish / to become / to turn into / to be all right / OK! / one tenth |