It serves as a " wild card" in the game.

这是游戏中的一张“外卡”。

This match is too important, and you're a wild card.

这场比赛关系重大 你的发挥又不稳定。

Jack is too much of a wild card to get a place on our team.

杰克是个未知数，他不太可能在我们队中获得一席之地。

Her ranking drifted to 133 but she entered Wimbledon this year on a wild card.

因此她的世界排名滑落到了133，但是，此次郑洁倚靠外卡进入温布尔登。

Lawrence Creatura, portfolio manager for Federated Investors, says the Syrian conflict is a wild card.

联合投资公司的投资组合经理劳伦斯·克雷亚图拉表示叙利亚冲突是个未知因素。

A wild card? You mean he's like a playing card — a heart, a spade or maybe a diamond?

疯狂的纸牌？你是说他像扑克牌一样吗，可能是红心，黑桃或者是方片？

Here is an example showing how a wild card team won the championship of American football, the Super Bowl.

下面是一个外卡球队如何赢得美式橄榄球超级碗冠军的例子。

Here is an example of how a player might talk about their use of a wild card in a game.

这有一个玩家如何在游戏中谈论他们使用外卡的例子。

We're taking a gamble, she's a wild card, but let's hope she delivers what she promises.

我们是在冒险，她是一个未知数，希望她能遵守承诺吧。

But a " wild card, " to conclude, is an unpredictable or unknown factor.

但总而言之，“外卡”是不可预测或未知的因素。

So anything she picks is gonna pretty much be a wild card.

所以她选择的任何东西几乎都是一张外卡。

Right, have you got that? A wild card can describe someone who is unpredictable or they behave in an unexpected way.

好，你明白了吗？这个短语是用来形容某人不可预测，或者说他们经常做出令人意想不到的举动来。

Kitsch is always a wild card, but it has no real value.

这类东西起伏大 但本身都没实际价值。

That, uh-- he was, uh-- he was a bit of a wild card, with a big personality.

就是 恩 他人有点野，挺有个性的。

Hmm, he might be funny but I haven't seen him do much work — I think he's a bit of a wild card.

嗯，他可能很有趣，不过我并没有看到他做太多工作，我想他可能是个未知数。

But although Brian is a wild card, I wish he'd settle down and do some work instead of joking around all the time.

不过虽然布莱恩是个变数，不过我希望他能安定下来努力工作，而不是到处开玩笑。

“Did I think I could reach the semi-finals when I was given a wild card? No.” Zheng said. “I cannot believe I have got this far.”

“我在拿到外卡的时候想到我能够进入半决赛了吗？没有。”郑洁说。“我无法想象居然能够走这么远。”

Then you might say: My brother is a wild card when it comes to holidays – we never know if he is coming to our family dinners.

说到度假，我弟弟是个不可靠的人——我们从来不知道他是否会来参加我们的家庭聚餐。

In 2007, the New York Giants entered the playoffs as a wild card team, but they went on to beat the New England Patriots and win the Super Bowl.

2007年，纽约巨人队以外卡球队的身份进入季后赛，但他们最终击败了新英格兰爱国者队，赢得了超级碗。

However, it's safe to say that  Thanos was a bit of a wild card, because he also possessed a recessive Deviant  gene, which explains his purply appearance.

然而， 可以肯定地说， 灭霸有点像一张黑名单，因为他还拥有隐性的异常基因，这解释了他紫色的外表。