a

不定冠词,表示泛指某人或某物。

An unspecified example of (something); the indefinite article.

不定冠词(当后续词的首音不确定时)

A or an; the indefinite article (when the initial sound of what will follow is unclear).

一；用于 score、dozen、hundred、thousand、million 等前。

One; used before score, dozen, hundred, thousand, million, etc.

用于某些表示数量的短语,如 a few、a good many、a couple、a little、a bit 等。

Used in some phrases denoting quantity, such as a few, a good many, a couple, a little, a bit, etc.

用于某些状语短语,表示动作的程度或范围,如 a little、a bit、a lot 等。

Used in some adverbial phrases denoting the degree or extent of an action, such as a little, a bit, a lot, etc.

相同；同一个。用于 of a kind、birds of a feather 等短语中。

The same; one and the same. Used in phrases such as of a kind, birds of a feather, etc.

任何；每一。用于被修饰以限定范围的名词前。

Any; every; used before a noun which has become modified to limit its scope.

任何；与否定词连用,表示没有一个。

Any; used with a negative to indicate not a single one.

用于修饰由数词限定的名词(单数或复数)的形容词前。

Used before an adjective that modifies a noun (singular or plural) delimited by a numeral.

一个；某个名叫......的人。用于人名前,表示说话者除了名字外对该人知之甚少。

One; someone named; used before a person's name, suggesting that the speaker knows little about the person other than the name.

用于修饰人名的形容词前,通常强调该人当前的状态或情绪。

Used before an adjective modifying a person's name, typically used to emphasize that person's current condition or emotional state.

像......的人或事物；类似于。用于专有名词前,以其为例。

Someone or something like; similar to; used before a proper noun to create an example out of it.