huàn
1
to exchange
2
to change (clothes etc)
3
to substitute
4
to switch
5
to convert (currency)
你这么快好衣服了!
You changed your clothes so quickly!
圣诞节的时候我们可以交礼物。
At Christmas, we can exchange gifts.
我明天去把钱兑吧。
I'm going to exchange money tomorrow.