英 [ˈhæpən] 美 [ˈhæpən]
v. 发生；使遭遇；碰巧
adv. <北英格兰>或许，大概
第三人称单数happens
现在分词happening
过去式happened
过去分词happened
happen /ˈhæpən/ CET4 TEM4 [ happening happened happens ]
不及物动词 Something that happens occurs or is done without being planned. (偶然地) 发生
We cannot say for sure what will happen.
我们说不准将会发生些什么。
不及物动词 If something happens, it occurs as a result of a situation or course of action. (作为结果) 发生
She wondered what would happen if her parents found her.
她不知道如果父母发现了她会怎么样。
不及物动词 When something, especially something unpleasant, happens to you, it takes place and affects you. (尤指不愉快的事) 发生 (在某人身上)
If we had been spotted at that point, I don't know what would have happened to us.
如果那时我们被发现了，我不知道我们会有什么后果。
及物动词 If you happen to do something, you do it by chance. If it happens that something is the case, it occurs by chance. 碰巧
We happened to discover we had a friend in common.
我们碰巧发现我们有个共同的朋友。
习语 You use as it happens in order to introduce a statement, especially one that is rather surprising. 碰巧 (尤用以引出令人意外的内容)
He called Amy to see if she knew where his son was. As it happened, Amy did know.
他打电话给埃米，看她是否知道他儿子在哪儿。碰巧的是，埃米还真知道。
come to pass
What is happening?
同义词： hap / go on / pass off / occur / pass / fall out / come about / take place
chance to be or do something, without intention or causation
I happen to have just what you need!
come into being; become reality
同义词： materialize / materialise
发生-引用次数：55
As we know, events in real life always happen in certain contexts, in particular spaces and have certain timelines.
我们知道,现实生活中的事件总是在一定的语境中发生的,都发生在特定的空间中,都有着一定的时间脉络。
参考来源空间叙事学
发生-引用次数：70
Feijoa is strongly capable to tolerate extremely high temperature. No sunburn happen after over 30 days’s extreme maximum temperature above 35℃.
费约果具有极强的耐高温能力,在极端最高气温35℃以上、日数长达30 d以上,未发生日灼。
在这里的从句动作是地震的发生（happen),happen是非延续性动词。所以只能用when,在这里是说过去的事情（要注意的是happen无进行时态、无被动时态），所以从句要用过去时...
减少你的思维和身材，假若你碰巧(Happen)是meditating.
... hand 手；指针 happen (偶尔)产生 hard 努力地；使劲；激烈地, 硬的；艰苦的；艰巨 ...
如果他的回帖楼层恰巧(Happen)是幸运楼层，则他可能选择送给楼上或楼下的会员。
That doesn't happen very often.
那不常发生。
This must never happen again.
这种事再也不能发生了。
How on earth did that happen?
那到底是怎么发生的？
Volcanoes on Mars suggest to Sam that the same kinds of processes that take place on Earth happen on other worlds.
VOA : special.2010.07.28
OK, clearly we'd be much better off if we had some systematic quantitative way to tell whether something would happen spontaneously.
好，如果我们有一些系统定量的方法来判断,一个过程是否会自发进行,那就会更好了。
热力学与动力学课程节选 : 麻省理工公开课
Just as you are making decisions about your life, where you need to go and what needs to happen next.
当你正在为自己的人生做决定的时候——你要去哪儿？接下来又会发生什么？
SpeakingMax英语口语达人 : 喜欢的书
Still,many people argue that his talent should be recognized because ten national coaching victories do not happen by accident.
VOA : special.2009.07.10
However,because Hank's songs told of real-life troubles with such great emotion, something unusual began to happen to his music.
VOA : special.2009.11.22
But for that to happen, it means that Democrats and Republicans have to work together.
WHITEHOUSE: Weekly Address: A Bipartisan Approach to Strengthening the Economy | The White House
"It's very difficult to predict where and when these landslips are going to happen, " he said.
BBC: Dorset coast path collapse: 'Massive' cliff fall near Durdle Door - BBC News
Elissa says she'd love to meet the right man, but it will happen when it happens.
"happen"是个多义词，它可以指happen（英语单词）,happen（生活记录APP）。