beforehand + noun
We made beforehand preparations for the trip.
我们为旅行做了提前准备。
预先的；提前的
done or arranged before the time needed; early
预先的；提前的
being ahead of time or need
The beforehand warning helped us avoid the traffic.
提前的警告帮助我们避开了拥堵。
用法提示：beforehand作定语修饰warning，表示“提前的”。
AI contextual example
She was beforehand with her homework, so she enjoyed the evening.
她提前完成了作业，因此晚上过得很愉快。
用法提示：beforehand作表语，与with搭配表示“提前做某事”。
AI contextual example
We appreciated the beforehand notice about the schedule change.
我们很感激关于日程变更的提前通知。
用法提示：beforehand作定语修饰notice，意为“预先的”。
AI contextual example
We made beforehand preparations for the trip.
我们为旅行做了提前准备。
表示在某个时间点之前已完成某事。
She was beforehand with her homework.
她提前完成了作业。
He was beforehand in paying his bills.
他提前付清了账单。
grammar · medium
易错句子Beforehand the meeting, we prepared the documents.
正确表达Before the meeting, we prepared the documents.
学习者误将‘beforehand’用作介词，但‘beforehand’是形容词，不能引导时间状语；应改用介词‘before’或短语‘in advance of’。
grammar · medium
易错句子He called me beforehand.
正确表达He called me in advance.
学习者误将‘beforehand’用作副词，但‘beforehand’是形容词，不能单独作状语；表示‘提前’应用副词短语‘in advance’。
beforehand是形容词，表示“事先的”，常作定语或表语；in advance是副词短语，作状语。
before是介词或连词，后接时间点或事件；beforehand是形容词，不接宾语。
事先知识
The report contains detailed beforehand knowledge of the project.
报告包含了项目的详细事先知识。
事先准备
Beforehand preparation is essential for a successful event.
事先准备对于成功的活动至关重要。
事先安排
They made beforehand arrangements for the meeting.
他们为会议做了事先安排。
事先通知
The company gave beforehand notice of the policy change.
公司事先通知了政策变更。
事先同意
We need beforehand agreement from all parties.
我们需要所有各方的事先同意。
事先批准
The plan requires beforehand approval from the board.
该计划需要董事会事先批准。
与事先相关，常指为未来事件做准备
强调预先规划，与事先行动相关
指事先告知，常与事先安排搭配
表示事先的准备工作或安排
强调事先的期望或预测
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Includes Synonyms & Antonyms
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Dictionary facts from ECDICT, OCTANOVE, WIKTIONARY, WORDNET.