Your jokes are going to be hit or miss.

你的玩笑有时候会给人一笑，有时候却不能。

So things that are hit or miss are often unsuccessful.

所以碰运气的事情往往不会成功。

It can be temporary or permanent — and treatments are hit or miss with highly variable success rates.

治疗可以是暂时性的，也可以是永久性的，其成功率变化幅度很大。

Your career doesn't have to be a constant game of hit or miss.

您的职业生涯不一定是一场成败不断的游戏。

It's very hit or miss. Dan: How well do we know each other's brain?

这是非常偶然的。丹：我们对彼此的大脑了解多少？

The new songs are hit or miss. Some of them are great, some of them are not.

新歌大受欢迎。其中有些很棒，有些则不是。

The next expression is, to be hit or miss. You can imagine a target.

凡妮莎：下一个表达是，命中或错过。你可以想象一个目标。

With me and thrifting, I have a little, tiny space where, like, it's very hit or miss.

和我一起节俭，我有一个很小很小的空间，就像，它非常受欢迎或错过。

Investors want to know that they're investing in a company, not a project, because individual games tend to be very hit or miss.

投资者希望知道他们投资的是一家公司，而不是一个项目，因为单个游戏往往非常成功或失败。

So we could say our knowledge was hit or miss. Vanessa: Let's look at another example.

所以我们可以说我们的知识受到打击或错过。凡妮莎：让我们来看另一个例子。

Some of the hot food, maybe it's a bit hit or miss because it's been sitting around for a while.

有些热食可能因为放置了一段时间而有点随意。

The singer's new songs are really hit or miss. Some are amazing and some are just okay.

这位歌手的新歌真的很受欢迎。有些很棒，有些还可以。

So here we're talking about just unpredictable results, to be hit or miss. You don't know if you're going to hit it.

所以在这里我们谈论的只是不可预测的结果，无论是命中还是错过。你不知道你是否会击中它。

But its suggestions are hit or miss. And while the Echo Look may help you decide between two looks, it can't take into account the nuance of where you're going.

然而Alexa有得也有失，尽管Echo Look可以帮助你两件衣服中做出选择，但是她并不能考虑到你要去的场合而做出相应的改变。

This hit or miss approach to matching donors with recipients is now a thing of the past, as tests for all sorts of characteristics of an individual's blood have become available.

这种将捐献者与接受者相匹配的碰碰运气方法现在已成为过去，因为可以对个人血液的各种特征进行测试。