快速答案
acontecer 是日常的“发生”；ocorrer 更正式，常见于报告。
可靠的方法是先判断这个词在句子里的功能，再翻译。
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每个词的作用
acontecer
to happen
Use acontecer for events and situations in ordinary conversation.
ocorrer
to occur
Use ocorrer for events in neutral, formal, journalistic, or technical language.
如何选择
- acontecer: Choose acontecer if the sentence points to events and situations in ordinary conversation.
- ocorrer: Choose ocorrer if the sentence points to events in neutral, formal, journalistic, or technical language.
例句
O que aconteceu ontem?
What happened yesterday?
O acidente ocorreu de madrugada.
The accident occurred before dawn.
常见误区
Ocorrer also has a separate use meaning “come to mind”: ocorreu-me uma ideia. Acontecer cannot replace it there.
放到语境中练习
从你的真实生活中选一个句子，写两遍：一次用 acontecer，一次用 ocorrer。如果两个版本都可以，说明意思怎样变化。
循序渐进学习巴西葡萄牙语
创建账号，在 Falando 继续学习这个主题。
免费账号，包含 A1 课程。