1
according to + noun phrase
后接名词短语，说明信息来源。
According to the weather forecast, it will rain tomorrow.
根据天气预报，明天会下雨。
据…所说；按…的说法
先理解核心含义，再看它在真实句子里的用法。
据…所说；按…的说法
As stated or reported by; on the authority of.
According to the weather forecast, it will rain tomorrow.
根据天气预报，明天会下雨。
根据某人所说或所陈述的；以...的权威；按照...的命令。
Based on what is said or stated by; on the authority of; by the order of.
以符合或对应的方式；与...成比例；依照。
In a manner conforming or corresponding to; in proportion to; in accordance with.
取决于。
Depending on.
According to the weather forecast, it will rain tomorrow.
按照天气预报，明天会下雨。
According to the rules, you must wear a helmet.
根据规定，你必须戴头盔。
According to my watch, it's already 3 o'clock.
按照我的手表，已经3点了。
后接名词短语，说明信息来源。
According to the weather forecast, it will rain tomorrow.
根据天气预报，明天会下雨。
后接wh-从句，表示依据的内容。
According to what I heard, she resigned.
据我所听到的，她辞职了。
Not this
According the report, the economy is growing.
Use this
According to the report, the economy is growing.
根据介词短语"according to"必须完整使用，不能省略介词'to'。
Not this
According to he said, the meeting is canceled.
Use this
According to what he said, the meeting is canceled.
在"according to"后应接名词或名词短语，不能直接跟从句。应使用"what he said"作为名词短语。
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Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
Use according to naturally, then get feedback on meaning, tone, grammar, and phrasing.
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后面接名词或代词，表示依据或来源。
该词属于 Oxford 核心词汇，值得优先掌握常见搭配和句型。
Collins 词频等级为 5，建议结合例句记忆，而不是只背中文释义。
Dictionary facts from ECDICT, WIKTIONARY.