VOA一分钟英语：Wild Card

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In many card games, some cards have an unknown value. They are called "wild cards."
在许多纸牌游戏中，有些纸牌的点数是未知的。它们被称为“百搭牌”。
But, what else can "wild card" mean?
但是wild card的其他含义是什么呢？
I invited Ralph to our fundraising meeting.
我邀请了拉尔夫来参加筹款会。
Great idea! He's rich! He can help us raise money for our pickleball team.
好主意！他很有钱！他可以帮我们为匹克球队筹款。
But he's also a wild card. You never know what he's going to say.
但他也是个难以预测的家伙。你永远不知道他会说什么。
If he says something unhelpful, we just unplug his microphone!
如果他说了什么没用的话，我们就拔掉他的麦克风！
If someone is a "wild card" they are unpredictable.
如果某人是“wild card”，意思就是说他们是难以预测的。
You don't exactly know how they might affect a situation or what they might do.
你不知道他们会对一个事件产生什么样的影响，或者他们会做什么。
Lots of situations can have a wild card, even a pickleball fundraising meeting.
在很多情况下都有wild card的存在，甚至在匹克球筹款会议上也是如此。