i did not disterb him until he had finished his work.

题目

i did not disterb him until he had finished his work.
这是新概念上的例句,我觉得可能是错的?
"没有打扰他"应该是在"他完成工作之前"的动作,如果要强调也应该在前半句用完成时阿,为什么在后半句用完成时?
did not disterb 是这样分开理解吗?
理解成"没有打扰他"应该不是错的阿?

答案

not until
直到……才
直到他工作结束我才打扰他~有事找他~
补充————————————————————————————
在他完成工作以前我都没有打扰他