1.碰运气地;无目标地,漫无目的地
1.without a particular method, pattern, or purpose
1.Most people can't make a dent in such a pile, so they either read at random or discard much of it in frustration.
大部分的人都没法减少这些堆积如山的资料。所以他们不是随便看看，就是沮丧地把大多数的资料扔掉。
2.Choose a word at random and speak a sentence or two about that key word, as if you were responding to an interview question.
选择一个字随机和说一两个句子，关键字，因为如果你对面试问题。
3.Meeting someone via the web is also safer, they argue, than trying to pick up a date at random in a bar.
他们反驳说，通过网络和人会面也比随机在酒吧里选择的约会对象更加安全。
4.It might have been eight o'clock in the evening. As he was not acquainted with the streets, he recommenced his walk at random.
当时应已是晚上八点钟了，因为他不认识街道，他只得信步走去。
5.The two groups are chosen at random, so the remedy should be the only systematic difference between them.
这两个组是随机抽取的，所以他们在系统中的唯一区别就在是否接受治疗。
6.She took a book at random and sat down with it open on her lap.
她随意拿了本书，坐下把书打开放在膝盖上。
7.He might as well have picked a family at random out of the telephone book and stayed with them.
他还不如从电话薄里随便找一个家庭和他们住在一起。
8.When paying for a taxi, do not look at your wallet as you take out a bill just grab one at random and hand it over.
付钱给出租车司机时不用看你的钱包，只要随意抽出一张钞票递过去就行。
9.How polite was he? I ticked a few boxes more or less at random and sent him on his way.
募捐人员是否礼貌？我胡乱地在一些答案上打了勾，然后把他打发走了。
10.The topic leaves me wondering at random moments just how much my brain is seeing that I don't know about consciously.
这个话题让我不时想搞清楚我的大脑到底看到了多少没意识到的景象。