happen
['hæpәn]
vi. , , 恰巧

1. The accident happened at six o'clock.
   故点钟。
2. I happened to see her yesterday.
   碰巧见她。
3. I happened on just the thing I'd been looking for.
   偶西。

happen
[ verb ]

1. come to pass

<verb.change> come about fall out go on hap occur pass pass off take place
What is happening?
The meeting took place off without an incidence
Nothing occurred that seemed important

2. happen, occur, or be the case in the course of events or by chance

<verb.change> bechance befall
It happens that today is my birthday
These things befell

3. chance to be or do something, without intention or causation

<verb.social>
I happen to have just what you need!

4. come into being; become reality

<verb.change> materialise materialize
Her dream really materialized

5. come upon, as if by accident; meet with

<verb.possession> bump chance encounter find
We find this idea in Plato
I happened upon the most wonderful bakery not very far from here
She chanced upon an interesting book in the bookstore the other day

Happen \Hap"pen\ (h[a^]p"p'n), v. i. [imp. & p. p. {Happened}
(-p'nd); p. pr. & vb. n. {Happening}.] [OE. happenen, hapnen.
See {Hap} to happen.]
1. To come by chance; to come without previous expectation;
to fall out.

There shall no evil happen to the just. --Prov. xii.
21.

2. To take place; to occur.

All these things which had happened. --Luke xxiv.
14.

{To happen on}, to meet with; to fall or light upon. ``I have
happened on some other accounts.'' --Graunt.

{To happen in}, to make a casual call. [Colloq.]