play against是什么意思？

对抗
You can learn more when you play against a good opponent.
当你跟一个好对手轻劲时，你会学得更多。
-- 英汉 - 翻译参考
At the end of the season the two top teams play against each other.
赛季末，有两个最强队之间进行比赛。
-- 英语晨读30分（初三） - 7 Baseball
Which team did they play against this time.
这次他们的对手是谁。
-- 汉英 - 翻译参考
Your school team will play against us this afternoon.
你们校队今天下午和我们比赛。
-- 英汉 - 短句参考
and thus, the Oxford team had to play against the London team with only 10 players.
因此，牛津队只好以10名队员与伦敦队对抗。

和。。。对打/比赛

作出反对

1.是比赛中的几比几的表达方法。
如。 A study of the tactics of two play against one in the football match 足球比赛中二过一进攻战术打法的研究
2 play against 1 就是2：1
2.这个短语也有 抵抗 削弱的意思
如。this medcine play a role against senescence