“as...as possible”是英语中常用的比较结构，核心含义为“尽可能……”，表示在能力或条件范围内达到最大限度的某种状态或程度。其固定结构为“as + 形容词/副词原级 + as possible”，中间必须填入形容词或副词的原形，不可使用比较级或最高级。例如“as soon as possible”（尽快）、“as carefully as possible”（尽可能仔细地），前者中“soon”是副词，后者“carefully”也是副词。

音标

英式发音：/æz ... æz ˈpɒsəbl/

美式发音：/æz ... æz ˈpɑːsəbl/

用法解析

核心结构
必须遵循“as + 形容词/副词原级 + as possible”的公式。形容词用于修饰名词，如“as clear a manner as possible”（尽可能清晰的方式）；副词用于修饰动词或整个句子，如“She spoke as loudly as possible”（她尽可能大声说话）。

常见错误
不可将结构颠倒为“as possible as...”，也不可在中间加入冠词或名词短语，例如“as a quick manner as possible”是错误表达，正确应为“as quick a manner as possible”。

特殊搭配

数量表达：可与“many/much/few/little”结合，表示数量上的“尽可能多/少”，如“Take as many books as possible”（尽可能多拿些书）。

固定短语：“as soon as possible”（尽快）是最常用变体，口语中常缩写为ASAP，但在正式语境中建议使用完整形式。

例句10句

Please reply to this email as soon as possible.（请尽快回复此邮件）

We need to finish the project as quickly as possible.（我们需要尽快完成项目）

Speak as clearly as possible so everyone can understand you.（尽可能说清楚，以便所有人都能听懂）

He tried to save as much money as possible for his trip.（他为旅行尽可能节省开支）

You should avoid making mistakes as much as possible.（你应尽可能避免犯错）

Please fill out the form as accurately as possible.（请尽可能准确地填写表格）

The doctor advised her to rest as much as possible.（医生建议她尽可能多休息）

They walked as far as possible before dark.（他们在天黑前尽可能走远）

Be as quiet as possible in the library.（图书馆内请保持尽可能安静）

She answered the questions as honestly as possible.（她尽可能诚实地回答问题）

短语搭配

使用场景提示

在正式或商务语境中，“as soon as possible”可能显得过于直接，可替换为更委婉的表达，如“at your earliest convenience”（在您方便时尽早）。例如，“Please send the report at your earliest convenience”比“Please send the report as soon as possible”更显礼貌。

通过掌握这一结构，学习者能精准表达“最大限度”的含义，无论是日常交流还是正式写作都能提升语言的准确性和灵活性。记住：形容词修饰名词，副词修饰动作，这是避免错误的关键