random
As a noun, 'random' is primarily used in the prepositional phrase 'at random,' referring to a state where items or events are chosen without a definite plan, purpose, or pattern. In modern informal contexts, it can also refer to an unknown or unexpected person who appears in a specific situation.
例句
3 / 5The teacher picked names at random to answer the questions.
The teacher picked names without a specific order to answer the questions.
The clinical trial assigned subjects to groups at random to maintain scientific integrity.
The clinical trial assigned subjects to groups by chance to maintain scientific integrity.
I was just sitting there and some random started talking to me about his cat.
I was just sitting there and some unknown person started talking to me about his cat.
词族
记忆技巧
Think of a 'Ran-Dome'—a giant dome where people run around in every direction with no plan or destination.
快速测验
The computer program generates numbers at _______ to ensure the security of the encryption.
正确！
正确答案是： random
例句
The teacher picked names at random to answer the questions.
everydayThe teacher picked names without a specific order to answer the questions.
The clinical trial assigned subjects to groups at random to maintain scientific integrity.
formalThe clinical trial assigned subjects to groups by chance to maintain scientific integrity.
I was just sitting there and some random started talking to me about his cat.
informalI was just sitting there and some unknown person started talking to me about his cat.
In this statistical model, the variable represents a state of pure random.
academicIn this statistical model, the variable represents a state of pure chance.
The security team conducts bag checks at random during the conference.
businessThe security team conducts bag checks without a specific pattern during the conference.
词族
常见搭配
常用短语
at random
by chance or without a plan
by random choice
making a decision based on chance
totally random
completely unexpected or odd
容易混淆的词
Arbitrary implies a decision based on personal whim rather than chance, whereas random implies a lack of any pattern or choice.
使用说明
While 'random' is most often an adjective, its use as a noun is almost exclusively found in the phrase 'at random.' In very casual slang, it is used as a countable noun to describe a person ('a random').
常见错误
Learners often use 'random' when they should use the adverb 'randomly' (e.g., saying 'He picked it random' instead of 'at random' or 'randomly').
记忆技巧
Think of a 'Ran-Dome'—a giant dome where people run around in every direction with no plan or destination.
词源
Derived from the Middle English word 'randoun,' meaning impetuosity or speed, coming from the Old French 'randon.'
语法模式
文化背景
In modern digital and youth culture, 'random' has evolved to describe anything quirky, weird, or unexpected that doesn't fit the current conversation.
快速测验
The computer program generates numbers at _______ to ensure the security of the encryption.
正确！
正确答案是： random
相关语法
相关词汇
相关词
to
A1Used to indicate the place, person, or thing that someone or something moves toward. It can also mark the recipient of an action or the limit of a range.
and
A1A primary conjunction used to connect words, phrases, or clauses that are grammatically equal. It indicates addition, a sequence of events, or a relationship between two things.
a
A1A word used before a singular noun that is not specific or is being mentioned for the first time. It is used only before words that begin with a consonant sound to indicate one of something.
that
A1This word is a demonstrative pronoun used to indicate a specific person, object, or idea that is further away in space or time from the speaker. It is also used to refer back to something that has already been mentioned or to introduce a clause that identifies something.
I
A1The pronoun 'I' is used by a speaker or writer to refer to themselves as the subject of a verb. It is the first-person singular subject pronoun in English and is always capitalized regardless of its position in a sentence.
for
A1Used to show who is intended to have or use something, or to explain the purpose or reason for an action. It is also frequently used to indicate a specific duration of time.
not
A1A function word used to express negation or denial. It is primarily used to make a sentence or phrase negative, often following an auxiliary verb or the verb 'to be'.
with
A1A preposition used to indicate that people or things are together, in the same place, or performing an action together. It can also describe the instrument used to perform an action or a characteristic that someone or something has.
he
A1A pronoun used to refer to a male person or animal that has already been mentioned or is easily identified. It functions as the subject of a sentence.
you
A1Used to refer to the person or people that the speaker is addressing. It is the second-person pronoun used for both singular and plural subjects and objects.
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