Hobgoblins and trolls are good example of toughs .

大地精与巨魔是强者的范例。

If you encounter trolls or other unsavory people , stay calm .

如果你遇到那些找骂的人或是其他令人讨厌的人，要保持冷静。

In exchange for their help against the trolls , the high elves agree to teach men in the ways of magic .

高等精灵同意教导人类魔法之道，以换取人类帮助他们对抗洞穴巨人。

Big technology companies complain of " patent trolls " - companies that buy lots of obscure patents and then bombard alleged infringers with lawsuits .

大技术公司抱怨“专利钓饵”，这种“钓饵”公司购买大量隐而不用的专利，然后提出诉讼来攻击所谓的侵权。

Companies are trading patent portfolios , while patent trolls prey on young companies , which often don 't have the means to apply for and secure an enforceable patent .

大型公司目前正忙着交易专利组合，而专利钓鱼公司则伺机猎取新创立企业的研发成果，此类企业通常不具备申请并获得一项可执行专利权的途径。