We are playing against HaiYan.
海燕队。

play against 对阵
Which team will you play against?
你们将与哪个队对阵？
We're playing against Class Three.
我们将与三班比赛。
Your school team will play against us this afternoon.
你们校队今天下午和我们比赛。

A:Who are we going to play with today?
今天我们跟谁打？
B:We are playing against HaiYan.
海燕队。
A:The basketball team from No.1 college?I know they're a tough team.
第一大学的篮球队吗？我听说他们实力很强。
B:Sure,they are.
确实如此。
A:Who's winning?
谁领先？
B:We are,27 to 26.
我们领先。27比26.
A:Really?I thought they'd been killing us by now.
真的吗？我还以为咱们打不过呢。
B:How can it be?We are a tough team as well.
怎么会呢？咱们也是一个实力很强的队。