Word · Frequency #3811
random
随机；偶然
A roving motion or course without definite direction; lack of rule or method; chance.
- 1.
A roving motion; course without definite direction; lack of rule or method; chance.
- 2.
The direction of a rake-vein.
矿脉走向；随意；随机
In use
The numbers were selected at random.
They picked a winner at random from the entries.
The samples were taken at random from the population.
at random
固定短语，random 作名词，意为“随机地”。
The samples were selected at random.
样品是被随机挑选的。
a random
非正式用法，random 作可数名词，指“陌生人”或“随意的事物”。
Don't trust a random you meet on the street.
不要相信你在街上遇到的随便一个人。
Common mistakes
Click the button to select a winner random.Click the button to select a winner at random.
中文学习者常受副词‘randomly’不足的影响，将形容词‘random’误用作副词。‘at random’是固定短语，意为‘随机地’，应使用此短语或副词‘randomly’。
The numbers were chosen in random.The numbers were chosen at random.
‘in random’不符合英语介词搭配，正确固定短语是‘at random’，表示‘随机地’。介词‘at’在短语中表示‘按照某种方式’。
Connections
Antonyms
Confusing words
- randomness
- 随机性 · random（名词）指任意一个随机的事物或属性，而randomness是抽象名词，指‘随机性’这个概念本身。
- randomly
- 随机地 · random（名词）不能作状语，而randomly是副词，用于修饰动词或形容词，表示行为方式是随机的。
- haphazard
- 无计划的 · haphazard强调缺乏计划导致的混乱，而random更强调概率上的无规律或缺乏目的性。
Word family
- randomly
- 随机地 · adv
- randomness
- 随机性 · n
Learner notes
Usage priority
Collins 词频等级为 2，建议结合例句记忆，而不是只背中文释义。
Learn the forms together
页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from AI_FALLBACK, ECDICT, WIKTIONARY, WORDNET.