单词gratuitous
adj.: 无正当理由（或目的）的；无谓的
网络: 免费的；无缘无故的；无理由的
无正当理由（或目的）的；无谓的:
done without any good reason or purpose and often having harmful effects
无必要的,无故的,无理由的
无故;免费的
免费的;无偿的
adj.unwarranteduncalled-forwantonunjustifiedunnecessary
"Dear father, " he said sadly, "I wish you would not expose yourself to such gratuitous pain from scoundrels ! "
“亲爱的父亲，”他伤心地说，“希望你以后不要去招惹这种流氓，不要去自寻不必要的痛苦。”
Were it not for your gratuitous interference, the children would have quickly settled their dispute.
要不是你的无理干涉，孩子们本来会很快停止争吵。
From gratuitous puke porn (and worse) to the barely titillating maid cafes, Tokyo is like a dirty old man in a teenager"s body.
从那些让人作呕的免费色情文学（也许更糟）到令人兴奋的少女酒吧，东京向一个肮脏老人却有少女的躯体。
This example from Struts is a prime illustration of gratuitous copy-and-paste code, which is not only unnecessary but trivially easy to fix.
来自Struts的示例解释了免费的复制和粘帖代码，这些代码不仅毫无必要，并且容易修复。
Excessive or gratuitous animation can obstruct the flow of your application, decrease its performance, and annoy users.
但是过多无意义的动画会阻碍应用程序的流程，影响其性能并使用户不胜其扰。
Mind you, it"s a sort of gratuitous field-stripping exercise, but we do it in the lab all the time.
你要知道，这看起来像是一个没什么必要的现场演示，其实我们经常在实验室里面这样做。
While I was in Easter Island , Comet McNaught was there also , so, you get a gratuitous picture of a moab with a comet .
当我在复活节岛时，麦克诺特彗星也在那里，于是就有了这张无偿照片，一个摩艾和一颗彗星。
It seems almost gratuitous to be posing such questions in a country where income levels have increased fivefold in half a generation.
半代的时间内，对一个收入水平已经增长到五倍的国家提出这样一个问题好像是毫无道理的。
If a state-owned one-man company acts as a transferor (transferee), the gratuitous transfer shall be deliberated by the board of directors.
国有一人公司作为划入方（划出方）的，无偿划转事项由董事会审议；
I did not want to be singled out for gratuitous punishment.
我不愿意叫她提溜出来遭受这无缘无故的惩罚。