突然發生的英文

All of a sudden

發生───happen;突然───suddenly

Lucy shut her eyes so she wouldn't see it happen.───露西閉上了眼睛，這樣就不會看到它發生了。

This must never happen again.───這種事再也不能發生了。

Researchers are pushing back the frontiers and opening doors to reveal why things happen and how things work.───研究者們拓展了其研究領域，介紹并揭示了事物發生的原因和機理。

He slipped off when he saw what was going to happen.───他一看苗頭不對就溜了.

Just when this will happen is anyone's guess.───誰也說不準這事什么時候會發生。

It's frightening to think it could happen again.───想到此事可能再次發生就使人不寒而栗。

on earth did that happen?───那到底是怎么發生的？

That doesn't happen very often.───那不常發生。