The process is cumbersome, expensive, and unreliable.

签证申请手续冗长，费用昂贵，而且很不靠谱。

Like all history books, though, they can be unreliable.

然而就和所有的史书样，年轮也并不怎么靠谱。

They are expensive to acquire, unreliable and fiddly.

络武器成本高，可靠性低，且因太过精细而难以操。

Stupid, unreliable vampire, I thought to myself.

愚蠢，不可靠的吸血鬼，我自忖着。

Or who are really unreliable, who are selfish and self-absorbed, or sarcastic and mean.

或是那些不可靠、自私、且自我中心或讽刺和恶劣的人。

The internet is too easy and too unreliable a research tool.

研究工具太过便捷，且不够可靠。

In other words, it's dodgy, a slang word meaning bad or unreliable.

换句话说，它有问题，那是俚语，意思是坏的或不可靠的。

However, he can be a little unreliable sometimes.

但是，他有时候会有点不靠谱。

A constant state of uneasiness because he's completely unreliable? That's bad.

由于他的完全不可靠导致的长期不安？那很不好。

If one's partner says " You never help me. You're so unreliable."

“你从来不帮我。你太不可靠了。”

He invites readers to contemplate the unreliable nature of history and memory.

他让读者意识到历史和记忆的不可靠性。

In our line of work, we can't afford unreliable delivery.

我们这行业不能承担不稳定送货的危险.

So your friends and family sometimes call you flaky and unreliable for this very reason.

因此，你的朋友和家人有时会因这原因说你古怪、不可靠。

Trains are actually a bit unreliable in Britain today as I've suggested.

就像我说的那样，今天，英国的火车可不怎么靠谱。

With low, unreliable incomes and few assets, they have been unable to borrow formally.

由于收入低、不可靠、资产少，他们直无法正常借款。

Phones don't tend to work out in Death Valley and GPS systems are unreliable here.

手机在死亡谷不好用，GPS 系统在这里也不可靠。

Hey! Don't listen to her. She's totally unreliable.

嘿！别听她的。她点都不靠谱。

But land-based mini-reactors proved unreliable and expensive and have fallen out of favour.

但事实证明陆基迷你反应堆并不可靠、造价昂贵，已经失宠。

In a recent speech in Iowa, he dismissed wind power as an unreliable energy source.

在爱荷华州的最近次演讲中，他对风力发电不屑顾，认它是不可能能源。

We know that in some cases, neural networks are unreliable.

我们知道在些情况下，神经络是不可靠的。