Some have been associated with being a little bit harder to detect by antibodies.

有些突变可能会更抗体检测出来。

Black holes are hard to observe due to their nature.

黑洞的性质使其很观测。

Anything earlier than that, though, was tough to discern.

而早于此前的残骸则很识别。

This very famous blooper is one that simply cannot be unseen.

这一处非常有名的穿帮实在是很忽略。

The dark-colored road surface makes the youngsters hard to be noticed.

深色的路面使得幼鸟们很注。

From being harder to be eaten to making it easier to eat others.

从更食用更他人食用。

It employs a steel design that makes it hard to mark with paint.

它采用使其很涂鸦的钢结构设计。

The chemicals are hard to detect in low concentrations.

这些化学品在低浓度时很检测出来。

In a wetland or in dense growth, you are very hard to spot.

在湿地或是灌木丛生的树林里，你很发现。

You begged us to hire you, said you'd protect us from all the crap everyone is saying.

你求我们雇佣你，说你会保护我们不那些听话所伤害。

It takes a long time, and that is not always easy to accept.

这需要很长的时间，这通常是很接受的。

Another unusual thing about Dorian is that it's been hard to track.

Dorian的另一个不同寻常之处在于，它很追踪。

So we wanted to do a subtle manipulation, a very consciously undetectable manipulation.

我们想做一种微妙的操纵，一种非常察觉的操纵。

It'll be hard for the bully to get to you if you're with your wingmen.

如果你和你的伙伴们在一起，你就很欺负了。

Why on average are these swings hard to notice in the dairy aisle?

为什么平均来说，这些波动在乳制品货架上很注？

Full-blown climate deniers, on the other hand, are much harder to persuade.

另一方面，完全否认气候变化的人则很说服。

Second, HbH has very high affinity for oxygen, and doesn't release oxygen to the tissues.

其次，HbH对氧的亲和力很高，氧很释放给组织利用。

Their design took tremendous ingenuity, making them deadly to attackers and immensely difficult to take.

它们的设计极具智慧，对进攻者来说很要命，也很攻克。

A contestant in an isolation booth was asked increasingly difficult questions.

一个在隔离隔间的选手问越来越的问题。

This all makes it harder to restore the area after it's been disrupted.

这一切都使得该地区在破坏后更恢复。