at random

随便地； 任意地； 胡乱地

Spores light enough to float on the breezes were carried thousands of miles from more ancient lands and deposited at random across the bare mountain flanks.(轻到能在微风中漂浮的孢子从更古老的地方被带到数千英里外，随意沉积在光秃秃的山侧。)

A small boy appears utterly confused as the ears twirl apparently at random above him.(一个小男孩看起来非常困惑，而他的耳朵在他上方随意地转动着。)

Note: The patterns I discuss in this article were chosen at random to address common tasks.(注意：本文中我所讨论的模式是为进行普通任务而随机选择的。)

Don't fire at random!(不要乱开枪！)

It is better to read a few books carefully than to read many at random.(随便读许多书不如细细地读几本书。)

We're just going to raffle them off by selecting a few people at random.(我们只是要在随机抽奖中选择少数人赶走。)

Modern clock made of small plate pieces assembled at random.(用小碟片随意拼凑而成的时尚时钟。)

We received several answers, and we picked one at random.(我们收到了好几个答案，就随机地拣选了一个。)

Pick one at random and jump into it.(随机选择一个并且开始投入进去。)

The experimenter is back there with the speed knob and at random intervals, he just speeds up the tape of their heart and then slows it down.(实验者带着速度旋钮回到那里，在随机的时间间隔里，他只是给他们的心跳录音带加速，然后再减速。)

at random的近义词

adv

1. in a random manner

e.g. the houses were randomly scattered
bullets were fired into the crowd at random

Synonym: randomlyindiscriminatelyhaphazardlywilly-nillyarbitrarilyevery which way

1. 随机：我们知道这个事实,是因为曾经有人对许多父母做过意见调查,而且为了不偏向任何一个答案,访问的父母是随机(at random)抽取的. 民意调查当然不是没有瑕疵,这点我们以后会谈到,但是比起邀请满肚子气的人来回答问题,民意调查显然高明多了.

2. 随意地,任意地：on purpose故意,有意 | at random随意地,任意地 | at any rate无论如何,至少