Word · Frequency #3811
random
/ˈrændəm/
noun
随机；偶然
核心释义
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
用法In use
The numbers were selected at random.
用法提示：这里'at random'是固定短语，其中'random'作名词，表示'随机地'。
They picked a winner at random from the entries.
用法提示：'at random'作状语修饰'picked'，'random'为名词，表示随意的方式。
The samples were taken at random from the population.
用法提示：'at random'强调采样过程中无偏差，'random'为名词，意为随机。
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.
相关词与表达Connections
搭配Collocations
- at random
- 随机地；胡乱地
- She picked a card at random from the deck.她从那副牌里随机抽了一张。
反义词Antonyms
易混词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。
学习提示Learner notes
用法优先级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。
一起学习词形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.