While not completely invisible to radar, its shape and radar-absorbent coating made detection extremely difficult.
尽管并不能完全隐形，但是它的外形和能够吸收雷达波的外衣使它很难被发现。
Now does this seem difficult ? Well it is… and its really not supposed to be.
这看上去很难吗？嗯，的确……但这真的不是很难。
Remember, living a life of excellence is not difficult, its just an attitude of mind.
请记住，过卓越的生活并不难-只要现在决定做最大的努力-你会惊讶于生活回馈给你的。
It is not difficult for me, because I master its basic use.
这对我来说并不是很难，因为我掌握其基本用法。
This is a difficult placement, but not without its charms.
这是一个困难的位置，但并非没有它的魅力。
Of course the story of our nation is not without its difficult chapters.
当然，我国的历史也并非没有困难的篇章。
Of course, everyone's heart has its own solution, do not be afraid no matter how difficult.
当然每个人的心里有自己的解决办法，不论怎样也不要害怕困难。
To prevent HBV intrauterine infection is very difficult for its mechanism not being known clearly.
对于HBV宫内感染目前尚无有效的预防措施，究其原因是宫内感染机制不明。
Its qualities are difficult to define. But they are not so difficult to identify.
领导力应具备什么品质很难下定义，但这些品质却不难辨认。
Its qualities are difficult to define. But they are not so difficult to identify.
领导力应具备什么品质很难下定义，但这些品质却不难辨认。
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