It will be long before we know the truth.
很久以后真相才会大白。
It was a long time before I had the courage to fall in love again.
很久以后我才有再谈恋爱的勇气。
John found his book after a long search.
约翰寻找很久以后找到了他的书。
(fig)To get a bus here you have to wait till the crack of doom,ie an extremely long time.
在这儿真要等到世界末日（很久很久以后）才能有公共汽车.
After a long delay, he got around to writing the letter.
耽误了很久以后,他找到了时间写这封信。
He went sailing and didn't show up for a long time.
他乘船远航去了，以后很久没再露面。
long after World War Ⅱ
在第二次世界大战以后很久
His manners were appalling before he got married, but his wife soon got him house-trained.
他以前很没规矩, 婚后不久妻子就把他管教好了.
Long ago, there was a boy, clever, diligent and honest.
很久很久以前，有一个聪明、奋、实的男孩。
For the first time in a long time, someone cares!
很久很久以来，第一次，有人真的在乎了！
Long, long ago there lived a king.
很久很久以前，那里住着一位国王。
the creatures and plants that lived ages ago
生活在很久很久以前的动植物
She is still weak after her long illness.
久病之后她仍很虚弱。
He had to keep still long after she went to bed, for she kept making broken-hearted ejaculations from time to time, tossing unrestfully, and turning over.
波莉姨妈上床以后很久，因为她很伤心，不时地发出长吁短叹，睡思不宁，辗转反侧，久不成眠。
Once upon a time there was a poor boy who lived in Denmark. His father, a shoemaker, had died, and his mother had married again.
很久很久以前，在丹麦住着一个穷孩子，他父亲是个鞋匠。父亲去世后，母亲就改嫁了。
I won't need it for long, so if you want, I can send it back when I'm done with it.
我不会用很久，所以如果你还想再用的话，我用完后可以再寄给你。
He 's a long record of lateness.
他很久以来一直迟到。
It is anage since...
自从。。。以来已经很久了