第一种：肯定句 ＋“until” ＋ 句子或词组或单词， 意思是一直做某事，直到…才停止。
The music is on until the next day.
音乐一直响到第二天。
I'll be waiting for you until 10 o' clock sharp.
我会等你等到10点钟。
We've got a few hours to kill until our next flight.
飞机起飞前我们还有几个小时要打发。
We're talking and talking until the light is off.
我们一直聊到灯熄灭了。
Everybody is quite thrilled until the movie begins.
电影一开始，每个人的兴奋劲就没了。
第二种：否定句 ＋“until” ＋ 句子或词组或单词， 意思是直到…才会做某事。
I won't come back to my office until tomorrow morning.
我要到明天早上才能回到办公室。
Things won't come to their end until the beginning of next month.
到下个月初这一切才会结束。
You won't be able to get a promotion until your boss is fired.
你只有等到你老板被炒掉了，才有机会升职。
Stacy didn't do her homework until her mother got home.
思得思直到她妈妈回到家才开始做家庭作业。
Don't talk to me until you realize your mistake.
等你认识到你的错误之后才来跟我说话。
