happento

1.自天而降

2.碰巧;偶尔,偶然;恰好,恰恰;手头

3.出在…身上;实现在…身上;找到…的门上;临到…头上

4.遭逢;遭到;遭遇

5....发生了什么事:

1.发生于

1.if something happens to you, an event or action takes place which affects you; used for talking about the way that something changes or develops

2.used as a way of avoiding talking directly about something bad that might take place

3.used for asking where something is

4.used for asking where someone is now and what they are doing

5.used for asking why something does not happen or exist now