单词：not until
直到...才...
not until的用法和样例：
例句
- 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。
- 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。
- Not until a few months later did he know the story.直到几个月后,他才知道这件事。
- 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。
- Not until last night did I get the news.直到昨晚我才听到这消息。
- 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。
- Not until eleven o'clock did he come home.他到十一点才回家。
- It was not until he came that I left.直到他来我才离开。