sb happened to do sth

什么是 “sb happened to do sth”？

“sb happened to do sth” 是一个常见的英语句型，表示“某人碰巧做了某事”，强调事情的发生是偶然的、非计划的。

其中：

基本结构

主语 + happened + to + 动词原形 + 其他

She happened to meet an old friend at the airport.
（她碰巧在机场遇到了一位老朋友。）

常见用法与语境

该句型常用于描述意外、巧合或偶然事件，语气自然且口语化，适用于日常对话和书面表达。

I happened to overhear their conversation.
（我碰巧听到了他们的谈话。）
They happened to be in the same hotel during the conference.
（他们开会期间碰巧住在同一家酒店。）

更多例句

He happened to know the answer to the difficult question.
We happened to find a rare book in that small shop.
It happened to rain on the day of the picnic.
She happened to call just as I was thinking about her.

注意事项