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。

Some things break entirely, and other things start getting sticky, slow, and just plain unreliable.

一些齿轮若是坏了，其它的就会变慢，甚至影响工作。

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

然而就和所有的史书一样，年轮也并不怎么靠谱。

But sorrow is unreliable in that way.

但这种形式的悲伤是不可靠的。

Stupid, unreliable vampire, I thought to myself.

愚蠢，不可靠的吸血鬼，我自忖着。

However, he can be a little unreliable sometimes.

但是，他有时候会有点不靠谱。

Their main complaint is the unreliable electricity supply.

他们最为不满的是（平壤）时断时续的电力供应。

Phone lines without electricity would be unreliable, too.

没有电的电话线路也不可靠。

They are expensive to acquire, unreliable and fiddly.

网络武器成本高，可靠性低，且因太过精细而难以操作。

The Bluetooth is still so unreliable.

但蓝牙还是那么靠不住。

Totally unreliable and he doesn't give a damn.

完全靠不住 而且还莫不在乎。

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

互联网作为一个研究工具太过便捷，且不够可靠。

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

嘿！别她的。她一点都不靠谱。

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

我们知道在一些情况下，神经网络是不可靠的。

Oh! For heaven's sake! Why is she so unreliable?

哦，上帝呀！为什么她这么靠不住！

Smaller dunes shape-shift, moving with the wind, making them unreliable.

小一点的沙丘变幻着形状，随风而动，隐藏着许多危机。

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

我们这个行业不能承担不稳定送货的危险.

But this measure can be unreliable.

但是这种方法也可能不可靠。

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。

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。