Its Just Hard的意思|示意

Studying questions such as the cognitive ability and behavior of clones is of major importance, but its hard to draw conclusions just yet, scientists say.

研究克隆动物的认知能力和行为等这样的问题很重要，但是科学家们说目前还很难得出结论。

Bamboo is very popular in the South, always green in the four seasons, its power to live is hard to defeat, just like the Hakka……

竹子在南方是一种很常见的植物，他四季常青，生命力顽强，就像客家人一样…

As a result, it's hard for me to read about space exploration without thinking of about its darker possibilities -- and I don't just mean aliens and distant Hell worlds.

因此，对我来说，我很难做到阅读外太空探险经历而不去考虑它各种更凶险的可能——我指的不仅仅是外星人和遥远的如地狱般的世界。

Just past midday she came upon a bush growing by the stream, its twisted limbs covered with hard green berries.

正午刚过，她沿着小溪来到了一片灌木丛，弯曲的枝节上挂满了绿色的硬果子。

"Just like bees in a hive, Strategic Hotels is industrious, hard working, and willing to use its stinger when necessary," says CEO Laurence Geller.

该公司的首席执行官劳伦斯·盖勒表示：“我们旗下的酒店就像蜂房里的蜜蜂一样努力而勤勉，在必要的时候，我们也敢于‘亮刺’。”

Let's do an example. Let's try to figure out if we have just a uniform disk how hard it is to spin it around its center.

还是看个例子吧，有一张均匀的唱盘，让它绕中心旋转有多难呢？