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，被发现。

Really good news, on the other hand, can be a lot harder to spot in a newspaper because predictable daily events by definition aren't news.

另方面，真正的好消息在报纸上被注意到，因为每天可预见的事件不能算作新闻。

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

这处非常有名的穿帮实在是被忽略。

Russia's military says the hypersonic missile can travel 2,000 kilometers and flies 10 times faster than the speed of sound, which makes it hard to shoot down.

俄罗斯军方表示，这种高超声速导弹可以飞行2000公里，飞行速度是音速的10倍，这使得它被击落。

It's an important nutrient for the body, but can be harder to break down and digest than other foods.

蛋白质是种对身体重要的营养素，但相于其他食物，它更被分解与消化。

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

如果和的伙伴们在起，就被欺负了。

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

Dorian的另个不同寻常之处在于，它被追踪。

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

有些突变可能会更被抗体检测出来。

And then sort of without us noticing his voice kind of as he became more childlike in the scripts and as he became more of a kid in some of the stories.

然后比被注意到的是，在些故事表现会比个小孩时，声音也会比幼稚。

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

这需要长的时间，这通常是被接受的。

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

另方面，完全否认气候变化的人则被说服。

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

深色的路面使得幼鸟们被注意到。

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

个在隔离隔间的选手被问到越来越的问题。

Once you establish yourself as the leader in that space, it becomes very, very hard to be disrupted because you need to solve a lot of complex problems over and over again to get to that position.

旦确立了自己在这个领域的领导地位，就被颠覆，因为需要遍又遍地解决多复杂的问题，才能到达那个位置。

Black holes are hard to observe due to their nature.

黑洞的性质使其被观测到。

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

它采用使其被涂鸦的钢结构设计。

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

其次，HbH对氧的亲和力高，氧被释放给组织利用。

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

我们想做种微妙的操纵，种非常被察觉的操纵。

Ears are mostly cartilage, which means they're very difficult to repair once damaged.

耳朵基本都是软骨构成的，也就是说旦被毁坏就修复。

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

它们的设计极具智慧，对进攻者来说要命，也被攻克。