not until

• 直到 ... 才； 在 ... 以前不

not until的用法和样例：

例句

1. It was not until he got seriously ill that he knew the importance of health.
   直到他生了重病，他才知道健康的重要。
2. It was not until a few months later that he knew the story.
   直到几个月后，他才知道这故事。
3. Not until a few months later did he know the story.
   直到几个月后,他才知道这件事。
4. Not until his friend offered to help could he do it.
   他的朋友帮助他，他才有办法做那事。
5. Not until last night did I get the news.
   直到昨晚我才听到这消息。
6. I don't know whether we will start the job or not until I see how the land lies.
   在没有分析情况之前，我不知道是否要开始这项工作。
7. Not until eleven o'clock did he come home.
   他到十一点才回家。
8. It was not until he came that I left.
   直到他来我才离开。