KANJIDAMAGE

   on the other hand

反面、xxx(そのはんめん、xxx) On the other hand, xxx.
 
一方(いっぽう) On the one hand.
 
他方で yyy(たほうで) On the other hand.
 
These two expression are typically used as a set – the same way the English expressions “On the one hand / on the other hand”  are used:On the one hand, I’d like to assassinate Phil Collins, but on the other hand, I don’t want to get blood on me.