up against例句

The American dollar finished the day up against foreign currencies.
美元汇率今日收盘时有所上涨。

It's here that we come up against the difference of approach.
我们就是在这一点上面临方法上的分歧。

They were up against a good team but did very well.
他们虽然遇到劲旅，但却表现出色。