Did you mean: bianyuan bianhua bianhan bianhuai biannuan biaohuan bihuan banhua ?
| 变换 | biàn huàn | to transform / to convert / to vary / to alternate / a transformation |
| 变幻 | biàn huàn | to change irregularly / to fluctuate |
| 边患 | biān huàn | foreign invasion / disaster on border due to incursion |