happen/'hæpən/

v. take place, esp. without being planned

v. [I] （偶然）发生：Do you know what's happened? 你知道发生什么事了吗？

◇A disaster/accident happened. 灾难/事故发生了。

◇[happen to sb/sth] A strange thing happened to me last week. 上星期我碰到了一件奇怪的事。

◇What's happened to your bike? 你的自行车怎么了？

happen to be/do sth 恰好是；碰巧做：I happened to be away when he came. 他来时我碰巧离开了。

◇I happened to see her at the park. 我碰巧在公园看到她。

构词hap （幸运） + p + -en

常犯错误

✗ It happened to me that I met Mike this morning.

✓ I happened to meet Mike this morning. 今天上午我碰巧遇见了迈克。

常犯错误

✗ What did the car happen?

✓ What happened to the car? 这辆车怎么了？

辨析break out; happen; occur; take place